Korea Tenders - 4 August 2026 (Page 2 of 11)

14150975 Sinpyeong-dong branch relocation layout electrical work Deadline11 Aug 2026 14150976 (Emergency) Consignment service for field experience learning (study trip) for 2nd graders of Pusan ​​National University College of Education Affiliated High School in the 202 Deadline14 Aug 2026 14150977 Purchase and installation of outdoor electronic display at Gimcheon Tuning Industry Support Center Deadline05 Aug 2026 14150978 Gangseo-gu information and communication system relocation construction service (emergency) Deadline18 Aug 2026 14150979 Girder-Imdong-myeon (Daegok-ri) Daegok Stream Disaster Recovery Project Deadline05 Aug 2026 14150980 Replacement work for old entrance doors inside Fisheries Science Building 1 Deadline07 Aug 2026 14150983 Selected as a school-sponsored purchasing company for Kkachiul Middle School school uniforms (winter uniform, summer uniform, daily uniform) for the 2027 school year Deadline20 Aug 2026 14150984 Improving the function of the national pollution source investigation system (2026) Deadline06 Aug 2026 14150986 2027 School Year Gongju Girls' High School School Uniform School-Organized Purchase Phase 2 (Simultaneous Separation of Standards and Prices) Bidding Announcement Deadline21 Aug 2026 14150988 International Environmental Cooperation Center 2nd mid- to long-term (27~31) strategy preparation research service Deadline14 Aug 2026 14150990 Test site parking lot expansion electrical work Deadline07 Aug 2026 14150992 Taebaek City Sports Council 34th Gangwon Special Self-Governing Province Resident Sports Competition Singles Uniform Purchase Deadline18 Aug 2026 14150993 Laser diode platform characteristic evaluation system Deadline20 Aug 2026 14150994 Event service for the 6th Buk-gu District Office Cup National Drone Soccer Competition Deadline11 Aug 2026 14150995 Sinpyeong-dong branch relocation layout construction work Deadline11 Aug 2026 14150996 Purchase of Gumi Electronic Technical High School training equipment (semiconductor post-process AVI exterior inspection equipment) Deadline05 Aug 2026 14150997 Woorinuri bathroom and toilet renovation project Deadline05 Aug 2026 14150998 Dongyang University Jinsim Performing Arts Project Group operation program (video production) service Deadline18 Aug 2026 14151002 2027 school year Seocheon Middle School physical education uniform (young and summer uniform) school-sponsored purchase bid notice Deadline14 Aug 2026 14151003 Manufacturing and installation of lightweight girders for Suyeong River Immigration Bridge 2 re-construction project Deadline06 Aug 2026 14151004 Production of promotional content for the 2026 Environmental Product Declaration Certification System and installation and operation of a promotional center Deadline14 Aug 2026 14151005 2026 Democratization Movement Commemorative Project Safety and Health Management System Construction and Implementation Status Diagnosis Service Deadline14 Aug 2026 14151107 2026 Laboratory equipment expansion project (desktop computer) purchase (re-announcement) Deadline10 Aug 2026 14151108 low frequency vibration isolator Deadline04 Aug 2026 14151109 Primary cooling pump repair and shaft alignment service Deadline04 Aug 2026 14151110 Daejeon Blind School Children's School Bus (Wheelchair Lift Electric Large Bus) Manufacturing and Purchasing Suui Sidam Deadline04 Aug 2026 14151111 [2nd] Research data/experimental data platform construction phase 2 project Deadline14 Aug 2026 14151114 2027 School Year Geummyeong Girls’ High School School Uniform (Daily Wear) School-Organized Purchase Bidding Announcement Deadline14 Aug 2026 14151115 2026 Jeongdong Night Tour Event Agency Service Deadline18 Aug 2026 14151116 Design service for sandwich panel improvement construction for Gwonseon Elementary School and 2 schools (Omok Elementary School, Jowon High School) Deadline07 Aug 2026 14151117 Design service for replacement of old electric distribution boards at 13 KORAIL distribution convenience stores Deadline06 Aug 2026 14151118 2026 Global IP Guidebook standardization and implementation service Deadline14 Aug 2026 14151119 Video wall installation service to build a monitoring room Deadline14 Aug 2026 14151121 2026 Jeonbuk-style in-depth class and evaluation design training consignment service Deadline14 Aug 2026 14151125 2026 Namwon Yongseong Middle School Youth Korean Traditional Music Orchestra Overseas Culture and Arts Exchange Experiential Learning Consignment Service Bidding Notice Deadline14 Aug 2026 14151126 Gyeryong Elementary School Multipurpose Auditorium Electrical Work Deadline07 Aug 2026 14151127 [Emergency] KB Stars basketball team game operation, publicity and marketing department operation agency (re-announcement) Deadline18 Aug 2026 14151129 Kookmin University major exploration video content (7 episodes) production service Deadline18 Aug 2026 14151132 Notice on submission of technical proposal for selection of new technology and patented method for Baekdudaegan low-water ecological axis restoration project Deadline18 Aug 2026 14151134 Announcement of veterinary quotation information for Chungju Jungang Top Elementary School field trip and school trip bus transportation service for the 2nd semester of the 2026 sc Deadline07 Aug 2026 14151135 (Re-announcement) Rainfall attenuation measurement and data analysis research service Deadline14 Aug 2026 14151137 Bidding notice for selection of school-sponsored purchasing company for Cheongdeok High School school uniforms (winter uniform, daily wear, active wear) for the 2027 school year Deadline25 Aug 2026 14151138 (Re-announcement) Korean Red Cross Gyeongbuk Branch purchases disaster relief vehicle Deadline10 Aug 2026 14151140 Gimhae Eunhye School Multipurpose Auditorium Foundation and Ground Reinforcement Construction Construction Waste Disposal Service Deadline07 Aug 2026 14151141 Survey on the status of small and medium-sized enterprise funding companies (support by 2025) Deadline07 Aug 2026 14151144 [Emergency] Special waste (waste wood, waste synthetic resin) disposal service for Kirin Elementary School teacher building demolition work Deadline07 Aug 2026 14151145 Sports-linked regional stay tourism integrated promotion marketing Deadline14 Aug 2026 14151146 Balsan Middle School 2027 school uniform and comfortable school uniform school-sponsored purchasing company selection bid notice Deadline14 Aug 2026 14151147 Announcement of bid for selection of school-sponsored purchasing company for Maru High School school uniforms (low school uniform, summer uniform, school uniform) for the 2026, 202 Deadline25 Aug 2026 14151149 2026 commercial revitalization event support project Deadline14 Aug 2026 14151151 Research service for enactment of basic laws related to reporter compensation Deadline14 Aug 2026 14151152 Joint farming expansion support project Deadline10 Aug 2026 14151153 [Informatization] Microbiome integrated platform operation and maintenance Deadline14 Aug 2026 14151154 Wafer Expanding and Flipper Module Deadline03 Aug 2026 14151156 2026 Laboratory equipment expansion project (8 types including gas flow regulator) Purchase (re-announcement) Deadline10 Aug 2026 14151157 Establishment of mid- to long-term audit strategy and advancement of audit system Deadline14 Aug 2026 14151160 2026 Seoul Design High School Food Style Design Department 2nd semester laboratory practice materials Deadline07 Aug 2026 14151162 Purchase of integrated multimodal neural signal acquisition and real-time control system (re-announcement) Deadline07 Aug 2026 14151164 (Emergency) 2026 Paju, Pocheon road facility permanent repair work (unit price contract, 2nd) Deadline10 Aug 2026 14151165 Cheongju University joint lecture room desk and chair purchase bid Deadline18 Aug 2026 14151166 2026 Play Expo (PlayX4) follow-up support event (Gyeonggi Game Connect) operation Deadline18 Aug 2026 14151167 Dongbu Ring Road Beonjae Soryuji ~ Baekhojeongsa (Daero Line 1-13) Construction (Telecommunication) Deadline20 Aug 2026 14151170 Pohang Hangdo Middle School and 1 school (Yanghak Middle School) expansion of complex facility building and other electrical, firefighting, information and communication constructi Deadline07 Aug 2026 14151171 Selection of a dedicated appraisal firm for the sale of PF business sites, etc. Deadline18 Aug 2026 14151172 2026 SN Display Pilot Pattern Coating Machine Equipment Bidding Notice Deadline10 Aug 2026 14151173 [Facility No. 2026-24] Waterproofing work on part of Kookmin University playground Deadline18 Aug 2026 14151174 Water supply pipe installation work in Daljeon-ri, Geumnam-myeon Deadline10 Aug 2026 14151175 Mireuksaji Digital Architecture Academic Forum and Outdoor XR Content Demonstration Event Agency Service Deadline19 Aug 2026 14151180 2026 Yeonggwang Girls’ Middle School international exchange field experience learning consignment service contract Deadline07 Aug 2026 14151181 Purchase of furniture to improve Dong-A University office environment Deadline18 Aug 2026 14151182 Research on the special education internationalization zone model according to the characteristics of Gangdong-gu region and school level (urgent) Deadline18 Aug 2026 14151183 [Anchor] Bio 3D printing process service Deadline18 Aug 2026 14151188 Jeonra Suyeong Comprehensive Maintenance Project Obstacle Removal Construction Waste Disposal Service Deadline11 Aug 2026 14151189 26 Children’s Protection Area Improvement Project (Conversion Project) Waste Disposal Service Deadline07 Aug 2026 14151190 2026 Laboratory equipment expansion project (educational robot) purchase (re-announcement) Deadline10 Aug 2026 14151191 Construction waste (shredding, incineration) processing service for demolition work at 111 Junghak-dong Deadline10 Aug 2026 14151192 (Laboratory practice equipment) Purchase of 3D scanner from Kongju National University Cheonan Institute of Technology Deadline05 Aug 2026 14151193 Hammer wrench (2 Deadline04 Aug 2026 14151194 2027 Heungdeok High School freshman school uniform (winter uniform and summer uniform) school-sponsored purchase bid notice Deadline14 Aug 2026 14151195 Bakdal Elementary School and 2 other schools (Anyang Deokhyeon Elementary School, Hwachang Elementary School) cafeteria ventilation equipment improvement electrical work design ser Deadline10 Aug 2026 14151198 Notice on quotation for charter bus rental service for Mokpo High School school trip and training activities for the 2026 school year Deadline11 Aug 2026 14151200 Selected as a constructor for the Street Housing Maintenance Business Association at 360-2 Majang-dong Deadline18 Aug 2026 14151202 Firefighting water facility (fire hydrant) expansion construction in 2026 Deadline07 Aug 2026 14151208 Purchasing practice equipment for the Department of Pharmaceutical and Biotechnology Deadline18 Aug 2026 14151209 Science experience agency service with JAM (Just Ask Me) in 2026 Deadline14 Aug 2026 14151210 Announcement of guidance on submission of implementation plan and project performance evaluation report for integrated construction project management service for Muan-Ilo-Cheonggy Deadline18 Aug 2026 14151211 Re-announcement of overseas experiential learning service for 6th graders in 2026 Deadline14 Aug 2026 14151213 Paju Samneung water system maintenance project (2nd) Deadline13 Aug 2026 14151215 2027 School Year Daseon Middle School School Uniform (Winter Uniform, Summer Uniform) School-Organized Purchase Bidding Announcement Deadline19 Aug 2026 14151216 Selected as a combination designer for the street housing maintenance project at 360-2 Majang-dong Deadline18 Aug 2026 14151217 (Re-announcement) Lease of public software (SAS) license for 2026 school year Deadline10 Aug 2026 14151219 2026 Vocational High School Global Skilled Talent Overseas Training Consignment Service Deadline14 Aug 2026 14151221 [PQ Review] Construction project management service (overall and primary), including acting supervision authority for the Gyeongbu Line Jeungyak Tunnel (San) track structure improv Deadline04 Sep 2026 14151222 Education service for the 2026 future automobile maintenance education support project Deadline14 Aug 2026 14151226 Analysis of survey results of professional manpower training and management project in 2026 Deadline14 Aug 2026 14151227 Emergency 2026 Career Convergence Education Center Experience Exhibition Production Bidding Announcement (Nomination Competition) Deadline11 Aug 2026 14151228 Shredder equipment for shredding waste lithium primary batteries Deadline10 Aug 2026 14151231 [Emergency] Kirin Elementary School Teacher Building Demolition Construction Waste Disposal Service Deadline10 Aug 2026 14151232 Horse transport service for participation in the 20th Aichi-Nagoya Asian Games Deadline14 Aug 2026 14151234 Announcement on submission of quotation for 2026 2nd semester school curriculum science experience classroom vehicle rental service private contract Deadline07 Aug 2026 14151236 [Suui Sidam] Gyeonggi-do Balanced Development Support Center information service advancement, user convenience improvement, and balanced development indicator map construction and Deadline04 Aug 2026 14151237 Purchase souvenirs for participants of the 2026 Ansan Marathon Deadline11 Aug 2026 14151239 Protein automation preprocessor Deadline11 Aug 2026 14151240 Selected as a food material supplier by the House of Gratitude, a social welfare corporation Deadline18 Aug 2026 14151243 2027 School Year Sajik High School School Uniform (Winter Uniform, Summer Uniform) School-Organized Purchase Bidding Announcement Deadline14 Aug 2026 14151244 2027 Chunghyeon High School school uniform (winter uniform, summer uniform, comfortable uniform) school-sponsored purchasing company selection bid notice Deadline14 Aug 2026 14151247 18 purchase bids including 120 degree desk Deadline18 Aug 2026 14151248 Information on electronic submission of veterinary quotation for 2026 Namwon Tunnel precision safety inspection service Deadline07 Aug 2026 14151250 T/C monitoring camera installation Deadline11 Aug 2026 14151251 Announcement of 2026 Saerom Middle School first-year training activities and third-year field experience learning vehicle rental service negotiated contract information (2nd) Deadline07 Aug 2026 14151252 2027 Dongbaek Middle School school uniform (winter uniform, summer uniform) school-sponsored purchase Deadline18 Aug 2026 14151253 2027 school year Baegot Middle School school uniform and activewear (donghabok) school-sponsored purchase Deadline25 Aug 2026 14151254 Test center parking lot expansion construction Deadline11 Aug 2026 14151255 2026 Local Cultural Heritage Maintenance Project (Dudongsa Temple, Dosansa Temple) Deadline07 Aug 2026 14151256 Re-announcement of consignment service for overseas field experience learning linked to international exchange classes at Jeonju Technical High School for the 2026 school year Deadline14 Aug 2026 14151257 (Emergency) Re-announcement of bids for digital marketing projects by region Deadline18 Aug 2026 14151259 26 Children’s Protection Area Improvement Project (Conversion Project) Deadline07 Aug 2026 14151261 Conducted Rail Plus System personal information impact assessment (re-announcement) Deadline12 Aug 2026 14151262 2026 Local Cultural Heritage Maintenance Project (Jangsanjae, Yeongmojae) Deadline07 Aug 2026 14151265 National Fire Hospital [Medical Device] Medical Device - Electric Medical Inhaler 5SET Deadline18 Aug 2026 14151266 (RISE) Gangwon Provincial University RISE project field-based industry-academia linkage educational environment improvement construction (Hotel and Tourism Department) Deadline07 Aug 2026 14151268 Mora Middle School 2027 school year new student uniform (winter uniform, summer uniform) school-sponsored purchase bid notice Deadline19 Aug 2026 14151269 Delivery of disaster relief kit components Deadline11 Aug 2026 14151270 2026 LH Land and Housing Museum multi-purpose exhibition hall reorganization directing service Deadline14 Aug 2026 14151271 Shinmyeong Girls’ High School 2026 2nd grade Gyeongsang region (Busan) school trip consignment service Deadline28 Aug 2026 14151272 Dong-A University K-MOOC development service in 2026 Deadline18 Aug 2026 14151273 Architectural supervision service for Seomjingang Train Village Platform Square Revitalization Project Deadline07 Aug 2026 14151274 Uksuji Pavilion (SITE2) construction Deadline07 Aug 2026 14151276 Geoje Regional Self-Reliance Center Construction Design Competition Deadline18 Aug 2026 14151279 Announcement of 2026 Gimhae Life Science High School 2nd grade field trip consignment service contract guide Deadline11 Aug 2026 14151282 Medical Immunofluorescence Measuring Device 1SET Reagent Conditional Equipment Rental (Consumables Unit Price Contract) Announcement Deadline18 Aug 2026 14151284 2026 Export Challenge Company IP Risk Response Capability Strengthening Project 5th Risk Diagnosis Implementation Agency (Common + Patent) Recruitment Notice Deadline18 Aug 2026 14151285 Facility use information provision (TPA) system reconstruction service Deadline14 Sep 2026 14151286 2026 Osong Cosmetics Beauty Expo joint pavilion installation and operation service re-announcement Deadline18 Aug 2026 14151287 Announcement of selection of private participation computer classroom operator at Maji Elementary School Deadline25 Aug 2026 14151289 Bidding notice for selection of telecommunication fire protection design service provider for long-term lease housing in Cheonwang 3 Station area Deadline12 Aug 2026 14151290 Brave Lining and 1 other type Deadline04 Aug 2026 14151295 MOD FILTER and 1 other type Deadline04 Aug 2026 14151297 RISE project field-based industry-academia collaboration experiment/practice equipment purchase (Barista Bakery Department) Deadline04 Aug 2026 14151299 PUMP and 3 other types Deadline04 Aug 2026 14151301 Daeho Seawall No. 3 drainage lock gate wire rope replacement and installation work Deadline03 Aug 2026 14151302 2026 Fisheries High School Comprehensive Boarding Practice Course Marine Unmanned Aerial Vehicle Pilot Training Service Deadline04 Aug 2026 14151304 ARMG Anti-Lift System Installation Deadline04 Aug 2026 14151305 Goyang Changneung S-6BL Apartment Gas Facility Construction Deadline12 Aug 2026 14151307 Public housing defect inspection service in 2026 (metropolitan area) Deadline10 Sep 2026 14151309 Dream Life University Educational Equipment Purchase Bidding Deadline18 Aug 2026 14151310 Guide to submitting veterinary quotation for Namwon Tunnel precision safety inspection service in 2026 Deadline07 Aug 2026 14151311 Re-announcement of research service for precise analysis of T-cell and B-cell immune characteristics and discovery of vaccine response immunity indicators based on Ampox natural in Deadline14 Aug 2026 14151312 Notice on the purchase of uniforms for Taean-gun athletes participating in the 32nd Chungcheongnam-do Sports Competition for the Disabled Deadline18 Aug 2026 14151313 2026 FIX Korea Robot Industry Promotion Agency promotional center planning and operation service Deadline14 Aug 2026 14151314 2026 Yongin local cultural heritage utilization project service Deadline07 Aug 2026 14151316 Selected as a school-sponsored purchasing company for Okjeong High School’s gym uniform (winter uniform) for the 2027 school year Deadline14 Aug 2026 14151317 Selected as a school-sponsored purchasing company for Okjeong High School’s school uniform (Donghabok) for the 2027 school year Deadline24 Aug 2026 14151318 Research on the future strategy of the electric industry and the role establishment of the Korea Electrical Industry Association Deadline18 Aug 2026 14151319 16 Channel Acousto-Optic Modulator [16 Channel Acousto-Optic Modulator] Foreign purchase Deadline18 Aug 2026 14151321 Unit 6 turbine and boiler measurement control auxiliary equipment maintenance work (2nd cooperative) Deadline12 Aug 2026 14151325 154kV Seongbon S/S distribution outlet power outlet firefighting equipment construction Deadline11 Aug 2026 14151327 Purchase of school uniforms for Jowon Middle School for the 2027 school year. Deadline24 Aug 2026 14151328 Suyeong Sewage Stage 2 Return Waste Transfer Pump Replacement and Additional Construction Deadline07 Aug 2026 14151329 Seoul Transportation Corporation 10-minute transfer and congestion improvement feasibility study Deadline28 Aug 2026 14151331 Chudong-ri pressurization station (line pressurization) installation work Deadline07 Aug 2026 14151332 Yangdong Girls' Middle School 2027 school year new student uniform (winter uniform, summer uniform) school-sponsored purchase bid notice Deadline14 Aug 2026 14151335 Bidding notice for selection of ramp manufacturing and installation company for Hwaseong Sidongtan Ardim Welfare Center Deadline18 Aug 2026 14151336 Purchase of diagnostic solution for avian influenza (AI) testing at Chungnam Animal Hygiene Laboratory Deadline11 Aug 2026 14151337 Asbestos dismantling and removal work for Pyeongtaek Manho district urban development project Deadline11 Aug 2026 14151341 Construction waste disposal service for Korea Institute of Energy Technology campus graduate school accommodation construction project Deadline11 Aug 2026 14151344 Autonomous control system virtual environment simulator Deadline28 Aug 2026 14151346 Development of integrated management and analysis technology for ice sea tank model test data and construction of a visualization platform Deadline14 Aug 2026 14151349 Analysis service for educational suitability and operational effectiveness of XR and VR contents Deadline27 Jul 2026 14151436 Seismic performance evaluation service for Catholic University of Busan educational facilities (11 buildings) Deadline14 Aug 2026 14151437 [2nd] Research data/experimental data platform construction phase 2 project Deadline14 Aug 2026 14151438 Korea Institute of Civil Engineering and Building Technology business vehicle rental service Deadline03 Aug 2026 14151439 [Physical AI factory equipment] Purchase of 1 autonomous operation and management system practice equipment Deadline07 Aug 2026 14151440 (Re-announcement - Suui Sidam) Data and data dashboard operation and advancement service for the issuance of the Jeju Economic Brief in 2026 (contract by negotiation) Deadline04 Aug 2026 14151441 (Cancellation notice) Improvement work on platform safety door obstacle detection sensors at 3 stations including Gyeongwon Line Kwangwoon University Station Deadline03 Aug 2026 14151497 2026 Gimcheon Kimbap Festival shuttle bus rental vehicle rental Deadline10 Aug 2026 14151498 2026-#5 O/H turbine facility insulation and scaffolding construction (secondary partner company contract) Deadline10 Aug 2026 14151499 2026-#5 O/H turbine facility high/low voltage motor maintenance work (secondary partner company contract) Deadline10 Aug 2026 14151500 2026-#5 O/H 3rd small hydro power plant units 1 and 2 mechanical equipment maintenance work (secondary partner company contract) Deadline10 Aug 2026 14151502 Gongseonghwa Sangju City Waterworks Office Industrial (A) Low Pressure 5kW New Construction Supervision Service Deadline11 Aug 2026 14151503 Design service for electric capacity expansion electrical work for Jukbaek Elementary School and 1 school (Songtan Middle School) Deadline07 Aug 2026 14151508 Time-of-flight mass spectrometer for real-time etch gas analysis Deadline11 Aug 2026 14151509 Personal information impact assessment service project Deadline24 Aug 2026 14151510 Rental of autonomous flying drone LIDAR (laser measurement device) system Deadline05 Aug 2026 14151512 Danggam 1-dong Gwangsan Village Saedul Village Project Old House Repair Work Deadline11 Aug 2026 14151513 Photothermal infrared spectroscopy system laser upgrade Deadline11 Aug 2026 14151515 Gyeongju Design High School Dormitory Simple Sprinkler Installation Fire Protection Design Service Quotation Submission Notice Deadline07 Aug 2026 14151517 [2nd] Development of ERPMES and manufacturing DX level diagnosis survey management system for injection process training Deadline14 Aug 2026 14151519 [Emergency_Train centralized control device direct production service] CTC control equipment repair service following the removal of the track switch at Seonghwan Station on the Gy Deadline10 Aug 2026 14151521 Sewage sludge recycling treatment facility air pollution prevention facility improvement project Deadline01 Sep 2026 14151522 Hankuk University of Foreign Studies Special Foreign Language Education Promotion Project-related Teaching and Learning Development Center 2nd floor classroom interior construction Deadline19 Aug 2026 14151523 Purchase of supplies such as electronic whiteboards to improve the educational environment at Dong-A University Deadline18 Aug 2026 14151524 41st Citizen's Day Commemorative Sports Festival Deadline18 Aug 2026 14151525 Announcement of bids for selection of school-sponsored purchasing company for Maetan Middle School school uniform (low and high school uniforms) and activewear (low school and summ Deadline14 Aug 2026 14151527 Kangwon National University Samcheok Campus 2026 2nd semester school food products (meat) bidding Deadline11 Aug 2026 14151528 Dongam-ri Senior Center (Village Hall) new construction [Agency] Deadline07 Aug 2026 14151531 Information on submission of quotation for 2026 Jecheon Oriental Medicine Natural Products Industry Expo MQ Tent and Operational Items Rental Management Service Deadline07 Aug 2026 14151533 2026 Korea Confucian Culture Promotion Agency Chungcheong Confucian Culture Integrated Digital Platform Construction Information Strategy Plan (ISP) Establishment Service Deadline18 Aug 2026 14151535 Indeokwon Elementary School and 2 other schools (Beolmal Elementary School, Sambong Elementary School) Electrical Work Design Service for Improvement of Old Air Conditioning and He Deadline07 Aug 2026 14151536 Watergate repair work within the branch office in the second half of 2026 Deadline03 Aug 2026