seamless welded lsteel pipe
line pipe for conveying gas, water, and oil
API 5L Certificate
Petroleum industry
large amount of stock
Company:Cangzhou Qiancheng Steel-Pipe Co., Ltd.
line pipe for conveying gas, water, and oil
API 5L Certificate
Petroleum industry
large amount of stock
Company:Cangzhou Qiancheng Steel-Pipe Co., Ltd.