ZHANGJIAKOU CGE GEO-MACHINERY CO.,LTD , is one of a wholly-owned subsidiaries of CHINA GEO-EQUIPMENT CORPORATION .It was founded On October 8, 1910 ,it was a railway factory built by Mr.ZhanTianyou after he completed the Beijing-Zhangjiakou railway. Mainly engaged in manufacturing and selling of geology and engineering machinery, petroleum machinery , and sell to southeast Asia, Africa, Europe and America, and other regions.Petroleum machinery branch is one of the three members of ZHANGJIAKOU CGE GEO-MACHINERY CO.,LTD , is one of the earliest manufacturer of sucker rod in China, which is member of CNPC “No. 1 ENERGY” and Sinopec “Supplies Purchasing” .In 1991, we obtained Production Certificate of Sucker Rod, in April , 2001, we obtained both American Petroleum Institute Certificate of Authority to Use Official Monogram and ISO9001 Certificate of Registration, and became first facility of passing “Dual retistation”by API in China. In 2013, we obtain “Dual HSE”Certificate and ISO 14001 and BS-OHSASI8001 Certificate.The company covers an area of 314 mu, building area of 106600 square meters, working staff of 929 , in which there are 121 engineering and technical personnel (three state-level experts). Over 30 years history of producing sucker rod, the daily output is 2000 pcs while annual output of 520 myriametre.As the cradle of geological equipment industry in China, after a hundred years of development and perfection, our company became an state-owned large and medium-sized enterprises that has strong technical force, strong processing ability, complete variety of product and superior quality and price.