We supply kinds of stainless steel products, such as valves, pipe fittings, flanges, stainless steel tubes, and so on. If you have the need or interest in these products, please contact us.You also ca…
We supply kinds of stainless steel products, such as valves, pipe fittings, flanges, stainless steel tubes, and so on. If you have the need or interest in these products, please contact us.You also ca…
Non-magnetic products:
Our non-mag products include non-magnetic drill collar and non-magnetic stabilizer.The material is chrome manganese stainless steel.High quality is achieved by two process,mate…
Drill stem subs:
Shenlong manufactures all the four types of subs e.g. straight OD type A or reduced section type B or swivel sub type C or lift sub type D as per API Spec 7.These would be wi…
Intergral blade stabilizer:
Our integral blade stabilizers are manufactured from single bar of AISI 4145H modified steel.Professional forging process guarantee that mechanical properties meet API Spe…
Hexagonal,square Kelly:
We offer square and hexagonal Kellys.Kellys are available up to 14m long.Our Kellys are made from AISI 4145H modified alloy bars that are quenched and tempered full length.A h…
Intergral heavy weight drill pipe:
Our heavy weight drill pipes are manufactured from AISI 4145H modified steel.Our heavy weight drill pipe is integral,thus it is more durable than friction welded on…
Drill collar:
Our drill collars are manufactured from 4145H modified steel.Drill collars are bored and drifted to API Spec7-1 and fully heated to meet or exceed the mechanical property requirements o…
Structure:weaved or welded by low carbon steel wire.fixed by the linking accessories and steel pipe.
Material: low carbon steel wire and al-mg alloy wire.
Material: low carbon steel wire ,Al-Mg alloy wire, plastic spraying
Weaving and characteristic: weaving and welding;Grid structure concise and convenient for transportation, installation without rest…
ECROBOT CO., Ltd, Business Registration Number : 220-88-71747, CEO J.W.Park, TEL : +82-2-552-7676, E-mail : E-mail : Contact us Address : (Hwanghwa B/D 11F, Yeoksam-dong)320, Gangnam-daero, Gangnam-gu, Seoul, South Korea