... the multiple use of a check valve, a stop valve, a balancing valve, a by pass valve and a relief valve Model YCC-1,2, ... Pu Import&Export Co.,Ltd Business Type: Manufacturer, Trading Company, AgentProducts/Service: casting part,valve,flow meter,gear box,machine part ... ,etc. and processing also available Main Customers: SAMYANG VALVE, KUMGANG, VALMAC, AUTO FLOW, etc.Export Percentage: 71% - ...