Qingdao Wanyu Lucky Steel Co., Ltd. is one of the manufacturers of thick walled large-diameter double-sided submerged arc welded steel pipes. The company was founded in Qingdao, Shandong Province, known as the hometown of pipeline equipment in China, with a total investment of 500 million yuan, including 400 million yuan in fixed assets and 100 million yuan in working capital, covering a total area of 60000 square meters. The company has achieved an annual production capacity of 200000 tons of JCOE straight seam submerged arc welded steel pipes and 5000 wind power tower poles. The company currently has over 300 employees, including more than 40 technical personnel.
The company has introduced advanced complete sets of JCOE production equipment and testing equipment for submerged arc straight seam steel pipes, specializing in the production of thick walled large-diameter straight seam double-sided submerged arc welded steel pipes. The product specifications range from φ 406mm to φ 1422mm, with a length of 3m-12m and a wall thickness of 7mm-40mm. The product complies with standards such as GB/T3091, GB/T9711 PSL1/PSL2, API 5L PSL1/PSL2, EN10219, etc. The materials used are Q235, Q345, L175-L555, X42-X80, S355J2, etc.
The company's products are widely applicable to various types of oil and gas transmission pipelines and building steel structures, including oil pipelines, natural gas, urban pipeline networks, mining water and coal pipelines, mining coal slurry pipelines, high-voltage transmission lines, wind power, bridges, high-speed railway steel structures, etc.
The company has an anti-corrosion company covering an area of 60000 square meters and has three internationally advanced steel pipeline anti-corrosion operation lines. At present, the company can undertake single-layer (FBE) and double-layer fusion bonded epoxy powder (2FBE), double-layer polyethylene (2PE), and three-layer polyethylene (3PE) for steel pipelines. The product follows the standards of GB/T23257, DIN30670, DIN30678, ISO21809-1, SY/T7041, and GB/T29047, with an annual production capacity of 4 million square meters.
In addition, the company has established an international trade department in Licang District, specializing in international trade import and export. The company has a superior location, only 20 kilometers away from the port. The main export products include buried arc straight seam steel pipes, seamless steel pipes, spiral steel pipes, anti-corrosion and insulation steel pipes, bent pipes, flanges, elbows, and other supporting pipe fittings and pipeline equipment.
The company adheres to the principle of quality first, strictly following the corresponding standards from raw material procurement, board testing, processing and production to finished product warehousing. In the same year, the company was awarded the "AAA Credit Enterprise" by the Agricultural Bank of China Shandong Branch and the "2021 Qingdao Contract abiding and Creditworthy Enterprise" by the Shandong Provincial Administration for Industry and Commerce.
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