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    Henan Shenlong Petroleum Drilling Tools Co.,Ltd, a US-China joint enterprise, is one of the leading manufacturers of high quality petroleum drilling tools based in mainland China. We are dedicated to serving the oil and gas exploration and oil drilling industries on a global basis.

    Shenlong’s main products include Drill Collar, Heavy Weight Drill Pipe, Stabilizer, Kelly, Non Magnetic Drill Collar / Flex Collar, Non Magnetic Stabilizer, MWD Parts amongest others. 

    Henan Shenlong Petroleum Drilling Tools Co.,Ltd is an integral manufacturer of non-magnetic drilling tools. 

    We have one steel mill specialized in non-magnetic stainless steel smelting, we have two forging units for hot-forge and warm-forge process, we have one API certified machining workshop.

    We have up-to-date laboratory. We can perform tensile, impact, hardness tests; analyze chemical composition; inspect the metallographic structure; also perform corrosion resistance test. 

    We also inspect the relative magnetic permeability and field gradient (hot spot).

    Henan Shenlong  has 3 different non-magnetic steel grades: 

    SLW-3

    SLW-2

    SLW-1

    Our non-magnetic products include:

    Non-magnetic Drill Collar

    Non-magnetic Flex Collar

    Non-magnetic Stabilizer

    Non-magnetic Subs 

    Etc.