亚洲中文字幕无码天然素人在线-亚洲人成色99999在线观看-无码人妻丰满熟妇啪啪网站-一个人在线观看免费视频www

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>>