YFB-QS Submerged Hydraulic Valve Test Bench
YFB-QM Ball Lapping Machine
YFB-A Safety Valve Test Bench
YFB-D Top Press Valve Test Bench
YFB-DY Top Press Hydraulic Valve Test Bench
YFB-DI Top Screw Valve Test Bench
YFB-T Double Station Valve Test Bench
Yfb- Hydraulic Hold Pressure Valve Test Bench
YFB-DB Single Head Hydraulic Hold Pressure Valve Test Bench
YFB-DF Butterfly Valve Test Bench
YFB-ZDX Valve Test Automatic Line
YFB-SM Valve Service Life Test Bench
YFB-L Vertical Valve Test Bench
YFB-LY Vertical Hydraulic Valve Test Bench
YFB-LL Vertical Screw Valve Test Bench
YFB-6A Valve Test Bench
YFB-ZM Seat Ring Lapping Machine
YFB-XM Planet Lapping Machine

Shanghai Zengxin Machine Electron Technology Co., Ltd

Address :No. 165 Hengfei Road, Waigang Town, Jiading District, Shanghai, China