768# east chang hong street, wukang town Huzhou, Zhejiang
Seamless steel tubes/pipes with OD 114-219mm and wall thickness in 6.0-45mm.Zhejiang Ming He Steel Tubes Co., Ltd is one of the largest seamless tubes manufacturing enterprise Zhejiang province American Petroleum Institute API Certification; specialize ...
Dongying Shengli Petroleum Equipment & Technology Service Co.,Ltd is located in Yellow River delta, city, which on oilfield, the second largest oil field of China. It was established by USA NN international Co.individually year 2000 with headquarter ...