... J1010 Forged Brass Gate Valve For Water,1/2"~2",PN 16 G DNBCLL1H1/21512.710.5435468.33/ ... CW614N, CW617N, MS58 as per request(2).DN15 to DN50,1/2" to 2"(3).Working Pressure: 1.6MPa (PN16) ... 5000 staffs and annual output is 35billon RMB.(2)All-round product categories, State-level Enterprise Technology ... has copper bar company .(5)Seven Step QC Process 1) Material Control 2) Machining Quality Control 3) In ...