... Treatment: red power coating 3) Color: red Red Painted Automatic Pressure Reducing/ Relief valve Details:1. Material: WCC,WCB ... nickel, chrome plating, hot galvanized, powder coating and painting 5. Manufacturing equipment: Electric furnace, sand mixing machine, shot blast ... parts, casting and forging parts, engineering goods, etc.5. Quality control following 3 phases of thorough inspection, first ...