We adopt high-quality materials and advanced productive proccss to produce series of products including butt weld and seamless elbows, butt weld reducing tube, seamless Tee and Cross, flanging, etc. in accordance with GB12459-90, GB12401-90, ASME/ANSI B 16.9, DIN, JIS and ISO, with either 321,304,304L, 361 and 361L materials or in customer request ranging from DN10-DN1400 (1/2"-56") with complete specifications. The products are widely applicable for: brewage, beverage, food, papermaking, pharmacy, architecture, power electricity, petroleum, sewage treatment of chemical industry and so on, facilitating the piping engineering of various industries in China. They are also exported to America, Japan, Taiwan and European regions like Turkey and Germany.