About Us
Hejian Huanyu Petroleum Machinery Co., Ltd. in China.
1) Product :we specializes in manufacturing:Tricone bits,steel tooth bit,milled tooth tricone bit,tungsten carbide insert rock bit,tri-cone drill bit ,3 cone bits,rotary bit, TCI tricone bit,PDC drill bit ,diamond core bit,bicenter bit,single cone bit , reamer bit,down hole opener,hole enlarger,drag bit,button bit and drilling equipment for petroleum&gas ,water well ,mining and tectonic industries ,oil field, construction, geothermal, directional boring, and underground foundation work all over the world.
2) API and ISO certificate
4) we are a global wholesale supplier of new and used tricone, and PDC bits and core bits for use in the gas, oil and mining industries. We carry new, reruns and retips of many major brands including King Dream, CS,Lilin,we
Are not a scrap or junk bit reseller. All used bits are fully inspected prior to resale,
5)Advantage: It is with these materials, manufacturing and design capabilities,
