tianhe oil machinery co ltd we are NO1 manufacturer in making oilfield equipment IN PRC-CHINA and would like to introduce our line of product.tianhe oil groupe,manufacture a full range ofapi oilfield products: drilling rigs,cementing tools,working-overtools, corining tools,fishing tools,stabilizer,bop,hydraulic bucking unit,hydraulic jar tester,hydraulic downhole motor tester,bop auto cleaning system and so on, which are more than 120 products and over 1000 specification. tianhe oil group co,ltd is a professional manufacturer in oilfield equipment established in 1973.we have obtained the api spec7,spec7 1,5ct,6d monogram right and certificate of iso9001:2000.our products have been sold to leading oil fieldsof china and many major oil companies such asnabors, hallibu..