Telescoping rubber connector assembly features retractability， adjustability， easy positioning and reliable sealing. The connector is monolithic， and contributes greatly to the fast connection of equipment with limited space and liability to misplacement.

Compound inflation thread protector is mounted on the casing end， protecting the casing thread when casing are removed during well drilling and well repair， which cuts down the consumption and operating cost. Partially made from nanometer material， the product offers reliable performance， fast inflation， good air-tightness， easy mounting and dismantling and high use value. The […]

Collar clamp quick change connector is developed by our technical staff after visiting the drilling operation sites and in response to the actual needs by the drilling operators. Equipped with locking safety pin key and band chain， it features light weight andflexibility， easy dismantling ，time and labor saving and reliable sealing， which has received approval […]

Patent No.：ZL  96 2 40217.6 The self-sealing pipe joint automatically opens when mounting is finished and closes when dismantled, eliminating the possibility of polluting the environment by the out-flowing media, saving the operational cost, preventing the machines from abrasion by the sand and dust coming in the pipes and machines and reducing hazards for accidents. […]