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Sutor group limited company was established in 2002, our company is USA nasdq listed high-tech enterprise which consists of three subsidiaries: Chang shu hu aye steel strip Co., Ltd; Jiang su cold-rolled technology Co., Ltd and ningbo zhe hua heavy steel pipe manufacturing Co., Ltd. The group is mainly specialized in the production, research and development of fine finished steel products and welded steel pipes used by steel fabricators, and infrastructure projects. Including acid pickled line, cold rolled line, hdg lines and PPGI line of hua ye brand, as well as steel pipe line to make value added in each stage. Annual designed production capacity for each line reaches 500, 000 mt, 250, 000mt, 700, 000 mt, 200, 000 mt and 400, 000mt. The finished products are widely applied to household appliance, it, automobile industries, port, municipal basic construction line etc.

Ningbo zhehua heavy steel pipe manufacturing Co., Ltd., was established in 2004, a registered capital of RMB 60, 000, 000 and 80, 000 square-meter site in the ningbo camel mechanical and electrical industrial park which is of convenient transportation in the vicinity and port of beilun port only 15 kilometers away. Our company is specialized in manufacturing large-diameter and spiral seam steel pipes with diameter from 219mm to 3420mm and thickness from 6mm to 60mm. Our annul manufacturing capacity is more than 400.000tons. The products are extensively used for pressure pipeline of water, gas and oil and for piling pipe of large-size bridges, ports, airport, gym stadium, station of municipal construction. The company 'product quality is satisfactory to internationally standard. The ISO 9001; 2000 quality management system certification, API 5l certification, , Ltd has supplied many important domestic and international project including the hangzhou bay bridge, zhoushan continental water diversion works, German bayer project. Our products are being distributed to Middle East, EU, north American, southeast Asia and Africa and are extensively approved by customers