... manufactured in accordance with the standards of GB, ASME, ANSI, API, BS, DIN, JIS etc.These products are widely used in ... manufactured in accordance with the standards of GB, ASME, ANSI, API, BS, DIN, JIS etc.These products are widely used in ... manufactured in accordance with the standards of GB, ASME, ANSI, API, BS, DIN, JIS etc. 36'' butterfly valve