Manufacturer of pheumatic door closer, hydraulic door closer, cylinder rods, damper fittings, support rods and pneumatic springs. It has got ISO9002:1994 and ISO9001:2000 international quality control certifications as well as the test confirmation report by the State Automobile Quality Suality Supervision & Inspection Center.

pheumatic door closer, hydraulic door closer, cylinder rods, damper fittings, support rods and pneumatic springs