1.Ball Valve Parts, valve parts 2. Material: carbon steel, alloy steel, stainless steel, iron 3, your drawing is welcomed 1.Ball Valve Parts, valve parts, valve2. Material: carbon steel, alloy steel, stainless steel, iron3, your drawing is welcomed1. Product Name: Investment Casting / Precision Casting Parts / ball Valves / stainless steel sand casting parts / machinery parts / CNC machining ...