Invention of double base double well casing head device

Rotary BOP production

Rotary control device for underbalanced drilling

Casing head production

Environmental protection closed rotary blowout preventer for underbalanced drilling

Choke and kill manifold production

quality management system certification

quality management system

Environmental management system certification

Occupational health and safety management system certificate

Specializing in new small and medium-sized enterprises

API certificate