Established in 2003,GDA has been majoring in gas valve developing&Manufacturing for gas grill,gas heater and gas cooker.With approval from CSA,CE,AGA,SABS and ISO9001:2015 quality system,our annual valve capacity reach to :25,000,000pcs and sold to more than 69 countries which include:North America,South America,Europe,Australia,South Afirca,Middle East and South east Asia.

We owned a top R&D team with 28 years experience in gas field.We have applied for over 80 patents on Invention,practical and design.Our dual-fuel converting valve gained invention patent both in America and domestic market.

We commited to deliver the reliable&safety products to our clients,therefore,we strictly follow:300% leaking test+100% flow test+100%open flame simulate for every single valve we produced.

We believe:"Quality","Delivery","Value","Innovation","Service"is the basic principle to maintain sustainable development for company.We are right there,at the core of the appliance,providing intangible add value,to the heart of our end user.