Co-working Develping Co., Ltd. specialize on manufacture pipeline in China.Our factory 200 Kliometers away from Beijing,capital city of China,120 kilometers away from Tianjin port, a major port North China; multi railway and high way run through Cangzhou City,a place with very convenient traffic.
Co-working Seamless Steel Pipe Co., Ltd, is invested by COWRKING DEVELOPING GROUP, has started desiging and manufacturing Hot Rolled Seamless Steel Pipe in 2006, annual production capacity is...
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