Beijing TOPENSEA International Trade Co., Ltd. , located in Beijing, China. Holding one mill and three warehouses as well as 600 employees, it is focusing on the various steel tubes/pipes manufacture and stocks such as structural pipe, fluid pipe, petroleum casing pipe, line pipe, middle and low-pressure boiler tube, hydrostatic pressure supporting tube, cylinder pipe, automobile semi-axis tube, geology piling pipe including heat treatment pipes and cold draw pipes wiht annual capacity 300,000 tons.

We are doing international and domestic business together. Beijing SANLIYUANCHENG, our domestic sales center, annual sales 300 millions RMB, supply mainly to projects, such as: stadium, train station and try to inter metro construction markets.

It has got the ISO 9001:2000 quality system certificate in 2008 and the tube/pipe products have obtained authority to use official API Monogram from American Petroleum Institute.

Not only to manufacture, stcok and export these tubes/pipes of our mill, also it has a very tight relation with Chinese famous special steel plant and tube/pipe mills such as TPCO, DAYE Special Steel, Hubei Xinyegang Steel Pipe, Hengyang Valin steel tube Co., Ltd, Chengde Pipe, Xingcheng Special Steel and so on. By means of the closed biz relation, it obtains a domestic sale price and materials with the original MTC from these famous Chinese steel plants.

So, for your purchase order, we can supply the reasonable offer, lower  than their export offer from those Chinese mills, with the same high quality under your standards or specifications such as API 5L, API 5CT, API 5D, ASTM A519, EN 10210, EN10297, EN 10216, EN 10294 etc..  

Frank Song, the general manager, with all staff, sincerely welcome worldwide customers to cooperate with us.