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, and pride in workmanship that we are able to produce one of the finest lines of rotary drilling bits available in the sizes and types that we produce.
6) range in sizes from 3 7/8” through 26” in both tungsten carbide insert type bits and sealed bearing bits. Most models are available in designs for either regular or jet circulation with replaceable nozzles. Most Throop open bearing models are also available for use with air or fluid circulation, and many sizes are available in reverse circulation.
We also import used tricone bit ,steel tooth bit ,TCI tricone ,scrap pdc bit,renew bit,reruan bit