人妻互换精品一区二区-77777_亚洲午夜久久多人-婷婷伊人久久大香线蕉av-理论片87福利理论电影-国产在线拍揄自揄拍无码

NEWS

  More>> 

about
Shandong Molong Petroleum Machinery Co., Ltd is a listed company specialized in R&D, manufacturing, sales & service and import and export of petroleum machinery.As one of the top four suppliers of CNPC for Category I material and qualified suppliers of CNPC, SINOPEC, CNOOC and Shaan’xi Yanchang, the company is mainly manufacturing tubing, casing, line pipe, sucker rod, subsurface sucker rod pump, pumping unit, electric submersible pump, topping-up pump and various downhole tools. The company was founded in 1986 originally and started business of petroleum machinery in 1987. Shandong Molong Group Co was organized In 1994.Shandong Molong Petroleum Machinery Co., Ltd was founded in 2001 by approval of People’s Government of Shandong Province. Being listed in GEM(Growth Enterprise Market) of Hong Kong Stock Exchange on April 15th 2004, Shandong Molong Petroleum Machinery Co., Ltd became the first company listed outside mainland among the private companies in Weifang and the domestic companies in the same business.

More>>

Products
Pipe products
Oil production machinery
Castings and forgings