... versatile Carbon steel Butt Welding pipe fittings manufactuer in China. We are capable of manufacturing various pipe fittings ... reducing tees, concentric and eccentric reducers, caps,flanges in ASTM, DIN, and JIS standard. Our products are ... exported to many countries and regions in Southeast Asia, the Middle East, Europe and ... XXS carbon steel pipe cap for high quality ASTM A234 WPB (CHINA)