Arrow Check Valve

Mudanjiang Dongxu Machinery Co.,Ltd is a private factory collecting with research, production, sales, service.our factory has been in business for over 7 years. It is a high and new tech enterprise specially appointed supplier to China National Petroleum Corporation and Chemical Corporation in the drilling tools. Our factory has passed ISO9001;2000 Standard quality system authentication, and been honored with API spec-7-1 certificate by America Petroleum Institute. Our factory covers an area of 20000square meters with a very strong team of technicians and researchers, possesses reliable production lines and advanced technology. Our team will manufacture from existing designs or collaborate with the customer to design and manufacture to their specifications. Our products: drilling tools ( drilling stabilizers:integral spiral/straight blade stabilizer, replaceable sleeve stabilizer, tapered stabilizer, roller reamer, float valve stabilizer, spherical stabilizer and so on. kelly cock valve, full bore safety valve, inside Bop,float valve, crossover sub, top drive valve,drilling check valve, roller kelly bushing,by-pass valve, short drill pipe, short drill collar, directional bent sub, integral lifting sub, circulating head. fishing tools (fishing spear, fishing overshot,magnetic fisher, die collar,junk sub and so on) coring tools, diamond core bit, junk shoes, casing scraper,casing expand, wash over pipe, wash over shoe and so on.