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1994

FOUNDATION

3000+

PROJECTS

200+

TECHNICIANS

100%

ACCEPTANCE

Zhejiang Dadi Steel Structure Co., Ltd. 

Affiliated to Longyuan Construction Group Co., Ltd., we have professional factories manufacturing advanced steel structures for domestic and international markets. Our headquarter is located at Hangzhou, Zhejiang Province, in Yangtze River Delta where the strongest economy in China is booming with accessible transportation. 

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Dubai Horse Racing Grand Prix Complex
It Covers an area of ​​about 400,000 m2, including racetracks, parking, business center and other facilities. The appearance is designed in imitations of an eagle flying high. 
Details 白箭头 黑箭头
Phnom Penh International Airport
As an oversea project under general contract, the airport adopts American Standard for material, steel structure as main body. In cooperation with China Construction Third Bureau, we oversee the procurement, fabrication, inspection & testing, corrosion protection, packing, transportation, and the design deepening in accordance with the material list and shop drawings given.
Details 白箭头 黑箭头
MG-JUMBO Chemical Plant, USA
This project includes three parts: PET, PTA and BOP. Our company is responsible for the PTA's steel structure of about 9,500 tons, featuring node design, detailing, and component manufacturing on AISC standard.
Details 白箭头 黑箭头
Shanghai EXPO Axis Sunshine Valley
The roof consists of a membrane structure and six steel reticulated shells. The Sunshine Valley structural system is a single-layer reticulated shell composed of triangular grids.
Details 白箭头 黑箭头
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06
2022-04

Epidemic prevention and control, safe production!Dadi company successfully completed two projects

Since March, the national epidemic has shown the characteristics of many points, wide range and frequent occurrence. Affected by the epidemic control, some logistics have been suspended, traffic has been interrupted and the transportation of raw materials has been blocked, resulting in difficulties in the construction of the project. Under such circumstances,, our company has taken positive actions, held meetings for many times, formulated response plans, solved construction problems, and fought against the epidemic in a race against time.1、Zhongmian Hainan International Logistics Center Project (phase II)On March 29, the main structure of Zhongmian Hainan International Logistics Center Project (phase II) was successfully capped. The project is located in plot A09 in the comprehensive bonded area of Haikou City, Hainan Province. The comprehensive bonded area is about 3km away from the central area of Haikou and Haikou Port. It is an important part of the southern development planning of Haikou Central Group.Plot A09 is planned as 4 warehouses and 1 complex building. The total land area of the project is 66919.64 ㎡ and the total construction area is 99263.27 ㎡. It is constructed in two phases, of which phase I is 2 warehouses and 1 complex building. Phase II is close to phase I, including two warehouses and equipment corridors, with a total construction area of 40713.8 ㎡. After the construction, the warehouse will integrate the integrated operation of the island's logistics supply chain to improve the efficiency and income of logistics customs declaration and distribution.2.Siemens (Hangzhou) high voltage switchgear Co., Ltd Project(EPC-Engineering、Procurement、Construction)On March 29, Siemens (Hangzhou) high voltage switchgear Co., Ltd. added an annual output of 250 sets of high voltage switches and circuit breakers, and the upper grid of shvc test hall was successfully put in place.The grid structure of the project is in the form of square pyramid, bolt ball joint and multi-point support of bottom chord column. The grid span is 44.6m and the cornice elevation is 37.5m. Due to the large vertical and horizontal span of the roof steel grid, the construction process of the combination of the overall hoisting of the starting grid and the high-altitude bulk of other members is adopted on site, that is, the middle span is selected as the starting grid, and the high-altitude bulk operation is carried out on both sides after the starting grid is in place by double crane lifting.The sudden epidemic situation failed to stop the progress of the project builders. All project departments overcame various difficulties, followed the epidemic protection policy of the project location, strictly carried out epidemic prevention work, and closely communicated with relevant parties to promote the performance of the project. At present, the epidemic prevention and control is at a critical stage. The project departments of Dadi steel structure will earnestly do a good job in epidemic prevention and control, safety production and other key work, and make unremitting efforts to achieve the double victory of epidemic prevention and control and project construction!
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06
2022-04

The first batch of embedded anchor bolts of Batangas combined cycle power plant project in the Philippines were successfully delivered

On March 29, the first batch of embedded anchor bolts of Batangas combined cycle power plant project in the Philippines contracted by the company were successfully issued The cargo ship will sail at sea for 15-20 days, with a voyage of about 1600 kilometers.Batangas combined cycle power plant in the Philippines is located in batayan province of the Philippines. The project is mainly composed of three units with a steel consumption of 8000 tons. The production standard of the project is American Standard and the materials are national standard. It is another large-scale power plant project undertaken by our company in the Philippines after the Philippine GNPK and GNPD power plant projects.The embedded parts and anchor bolt system components issued this time shall comply with AWS D1 1、AWS D1. 8、ASTM A123、ASTM A153、ASME B1. 13m (6g), ASTM f2329 and other American standards strictly control the quality details. Operators shall comply with AWS D1 1 and D1 According to the relevant standards of 8 (earthquake resistance), the welder must pass D1 8 welding test, and because of the characteristics of all galvanizing, it is difficult to fabricate and has high quality requirements. Since the procurement and processing at the end of January, our company has actively organized technicians to carry out construction specification training and drawing joint review, strictly implement the technical and drawing specification requirements during construction, dynamically track the resource allocation and important processes, master the production progress in real time, and do a good job in tracing the production process. On March 18, our company successfully completed the first batch of component processing tasks.In late March, under the background of high epidemic and stagnation of land transportation, the original Shanghai departure and shipment plan could not be implemented, but the construction period was not waiting. After coordination and communication among various parties, our company shipped the goods according to the temporary notice of truck transportation during Shanghai epidemic prevention. After a night of fierce fighting, at 4 a.m. on March 25, the first batch of finished embedded anchor bolts were transported to the port for packing. On March 29, in the gentle sea breeze, the cargo ship left Shanghai port for Batangas, Philippines.The smooth delivery of the first batch of embedded parts is a good start for the follow-up work of the project. The Philippines is an important market of the company, and Batangas combined cycle power plant project is another major project for the company to enter the Philippine market. At present, all work in the production workshop is in full swing and orderly. Our company will work hard with enthusiasm to ensure the smooth performance of the project, hand in a satisfactory answer for the owner and lay a solid foundation for expanding the international market.
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28
2022-02

Successful first hoisting of steel structure in B3b-06 plot of Shanghai Pudong "Zhangjiang online" project

At 8:30 a.m. on February 25, witnessed by the owner, the project management company, the supervision unit, the general contractor and the leaders of the company, the first steel column in the basement of the science and Technology Park of Shanghai University of science and technology and the Yangtze River Delta integrated collaborative innovation platform project of "Zhangjiang online" began to be hoisted, which marked the official start of the steel structure construction of the project.The project is located in Sunqiao science and innovation center, Pudong New Area, Shanghai, with a total construction area of 82790.9 square meters. It is an important part of the construction of "golden central development belt". The project consists of three office buildings with a maximum of 20 floors and a two-story underground garage. Its main function is scientific research office and office auxiliary rooms. The building height is 99.9 meters. After completion, it will fully strengthen the advantages of science and innovation strategy sources of Zhangjiang Science City and empower Zhangjiang to develop "Digital economy".The construction land of the project is narrow, especially in the construction stage of underground structure. After the foundation pit is excavated, the available site around is limited. The transfer site of components needs to be adjusted according to the actual situation of the site. Moreover, the section and steel consumption of steel column in the basement are large, and the on-site tower crane can not meet the requirements of component hoisting. Combined with the structural form of basement floor slab and through detailed calculation, the project department finally transfers the movable crane to the hoisting area and paves steel plates on the truck crane.In the next steel structure installation task, all personnel of the project will take effective measures to do a solid job in safety production, effectively ensure the steady progress of each stage of the project, lead the project construction with scientific and technological innovation, promote perfect performance with lean construction, and sincerely cooperate to create a high-quality project!
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