quality&service
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Professional Technical Ability

GDA has a professional engineering team with many years experience in gas valve and regulator products. Some of the engineers are members of drafting domestic standards for gas valves and regulators. GDA's engineering team often teams up with engineers from the USA, Germany, Australia and other countries to research and develop new products and gas systems.

GDA products are approved to CSA, CE, AGA, and SABS standards and GDA maintains long-term close relationships with CSA, AGA, SGS, Intertek and TUV. Moreover, our R&D laboratory has been audited and approved by both CSA and CE, therefore, we can have our products officially certified in our own laboratory in a timely and convenient manner.

Top Quality Guarantee

Armed with a complete ISO9001 Quality System, scientific production process, modernistic and automatic production lines and 850 sets of auto-leakage testers, we conduct 100% quality testing of our products. 100% air tightness test, 100% flow rate test, 100% pressure test and 100% fire test ensures every GDA valve and regulator is safe and reliable. QA department conducts full audits of finished goods on a continual basis. Moreover, GDA has and maintains product liability insurance through PICC which is effective throughout the world.

On-time Delivery

High capacity, advanced equipment, 28 modern automatic production assembly lines and a professional team of more than 500people guarantee top quality products delivered in the right place at the right time.

High capacity: Current annual capacity of 15million pieces

Advanced equipment: Italian produced valve and manifold auto-assembly and testing machine; Italian produced valve finishing machine; Japanese produced FUKUDA leakage testers; balve and core CNC Lathes from Taiwan; auto-diecasting machines from Hong Kong;

Multinational Partnership: ORKLI, MIKUNI, SIT, COPRECI, etc.

Best Service Team

To gain our goal of "high quality, best service, good faith", we offer you excellent and comprehensive service in a timely and professional manner.