Qingzhou Petroleum Machinery Factory Co., Ltd (former Qingzhou water Pump works), built in 1966, taking up 200, 000 square meters field area, 110, 000 square meters built-up area, with general assets of 150 million yuan, enterprise staff of 1100 people, professional and technical personnel of 170 people, and annual output of 350, is one of the three largest manufacturers of oil drilling mud pump and its accessories. The product covers various large oil fields all over the country with the home market occupation ratio reaching more than 50%, and export USA, Canada, Middle East and the former Soviet Union area. The company passed ISO 9001 quality system certification in 1997 and has produced strictly according to international API Standard. Now it has become the first class networks supplier for petroleum, goods and materials to Petroleum and Gas Group Company of china. The technology function of products keeps in advanced international level all the time because of the scientific administration, tremendous technology strength, the advanced productive technology, perfect testing and experiments means and good after-sale service. The managing purpose of company is âthe consumer is supreme, prestige first.â We cordially welcome home and abroad customers to talk and cooperate with us. The leading factor products SL3NB, QZ3NB, QFãQZ series drilling mud pump and compound drive groups are mainly used in oil field and geological prospecting for well drillingãwell workoverãcementingãwater shut offãwater flooding and sending mud, clay, grout and so on. Among them the SL3NB-1300A and SL3NB-1600A models are large powers well drilling pumps which are the first to be studied and produced and also make up the domestic blank space. They got the national third prize on progress of science and technology, the first prize on technical progress of Petroleum Industrial Department, and the seco