Wenzhou Dragon Ball Valve Co.,Ltd. is a professional ball valve manufacturer with development,design,production,sales & service.Our main products include Q341HY metal seal valve,Q347HY eccentric semi-ball valve worm gear,Worm eccentric semi-ball valve,Metal seal valve,Cast steel ball valve,Semi-ball valve,Forged steel ball valve,Seal semi-ball valve etc.

We adopt advanced technique from Japan & domestic Sichuan Zigong processing with updated technology strictly conforming to international standards,such as ANSI,API,DIN,JIS,ISO etc.Nominal diameter(NPS):1/4'-64',Pressure class:1500LB-2500LB(PN0.1Mpa-42Mpa),Operating temperature:-196--680centigrade,Connection in the form of thread,flange,welding and on the folder.The main materials are carbon steel,stainless steel,alloy steel,low steel and other special steel.

Drive means worm transmission,pneumatic,hydraulic,gas and liquid connections,electro-hydraulic linked.

Welcome to our factory.