The factory is a professional manufacturer of hydraulic and pneumatic self-sealing connectors and stainless steel pipe connectors with 20 years' experience. It has a few professional technicians and hydraulic experimental tables. The products are easy to operate and can be assembled and disassembled fast. They are widely used in fields such as drilling machine in petroleum, geology and construction, metallurgy, aviation, central oxygen supply system, manufacture of ships and farm machinery, assembly of automobile and household electrical appliance, etc. We will stick to the principle of credit as basis and serve you sincerely