Line Pipe Manufacturer. ZheJiang Ningsheng Steel Co.,Ltd was the predecessor of Ningbo Zhenhai Shengda steel-wares Manufacturing Co., Ltd., having nearly 15 years longitude submerged arc welding penstock production experience. We have been a supplier Sinopec network for long time, ...
Telephone:+86 - 574 - 63990793
Address:No.388 Botao Road Cidong industrial zone Cixi,Ningbo City Ningbo Zhejiang 315338 China