成人一区二区三区综合-亚洲精品国产熟女高潮-亚洲国产日韩成人精品-精品一区二区三区不卡少妇

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>>