... process demands, such as deep and complex cavity, accurate positioning etc. Currently our major product materials are 304, 304 L, 316 ... by the standards of GB, ASTM, ASNI, BS, DIN, JIS, etc. The application is also very broad, covering almost the entire ... this field. Our products mainly include all kinds of ball valve, globe valve, gate valve, strainer, quick coupling, and a variety of impeller, marine ...