Henan Shenlong Petroleum Drilling Tools Co.,Ltd

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1. Heavy weight drill pipe

Henan Shenlong Petroleum Drilling Tools Co.,Ltd is one of TOP 5 manufacturers producing drill collar, heavy weight drill pipe.
Heavy weight drill pipes we produce is made from AISI 4145H alloy steel. We manage our production and inspection ...

2. Drill Collar

Henan Shenlong Petroleum Drilling Tools Co.,Ltd is one of TOP 10 manufacturers producing drill collar, heavy weight drill pipe.
Drill collars we produce is made from 4145H forging or rolling modified steel.Raw Materials are all from Top China ...

3. drill collar

Henan Shenlong Petroleum Drilling Tools Co.,Ltd is one of TOP 5 manufacturers producing drill collar, heavy weight drill pipe. We are Sino-USA Joint Venture.Our USA partner is from MIT,they are experts of metal materials. We have strong fund ...

4. Heavy weight drill pipe

5. Non-magnetic drill collar

Materials of the Non-magnetic drill collars are from chrome manganese, low carbon obtained by combining a proprietary chemical analysis and a rotary hammer process. The material is resistant to stress corrosion cracking, with high machine ability ...