Foshan Nanhai Yongxing Valve Manufacturing Co.Ltd  
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Patented Items
Patented Items [ 3 ]
Pipeline Backflow Preventer Filters The Plunger-Type Water Power Control Valve

Pipeline Backflow Preventer
Patent No. ZL 98 2 35004.X

Filters Plunger-Type Water Power Control Valve
Patent No. ZL 99 2 35112.X
Duplicate Suitable Fast Discharge Valve 2006 Qualities Certificates

Duplicate Suitable Fast Discharge Valve
Patent No. ZL 2004 2 0103028.X

2006 Qualities Certificates
Patent No. GZ0505160138