... Surface Treatment: red power coating 3) Color: red Red Painted Automatic Pressure Reducing/ Relief valve Details:1. Material: WCC,WCB, ... machine inspection 7. This product is among our casting parts. Our annual export for only this part reaches 100 ... . Products covering hydraulic cylinders, pistons, flanges, valves parts, casting and forging parts, engineering goods, etc.5. Quality control following 3 ...