We are one of the top 3 China’s leading drilling tool exporters
servicing regular customers from Russia, Vietnam, UK, USA,
Each kellyshall be conduct 4145H full length heat treatment to
ensure that hardness can reach 285-341HB at 1inch from OD; impact
energy more than 54J. Each product shall conduct sleeve gauge test
strictly in accordance with API specification.
Category: Drill Pipes, Drill Collars, Heavy Weight Drill Pipes, Non-magnetic
Drill Collars, Kellys , Pup Joints and others
Size : 2 3/8’’ to 6 5/8’’ (14” for drill collar)
Certificates: API 5DP, 5CT, 6A, Spec7, API 7-1, ISO9001:2000,
NS-1(Level 5), GOST, ARNCO Certificates etc.
Land Cover: 200000m2
Staff Total: 350
Production capacity:160000 joints/year
Exported Rates: 60%~70% Per year
Catalog can be send if needed.