Bazhou City Sheng Ze Technical Development Co., Ltd., founded in 2004, is near Tianjin and the capital city of Beijing. Our products include GB, JIS, BS, DIN, ANSI steel flanges and forged steel flanges with mild steel materials, and have steady Property. The dimension and tolerance of our products is standard. Our products absolutely accord with national standard tolerance requirement and we also produce blind plates according to customers&＃039; requirements. We specialize in manufacturing chemicals piping element, including standard fastener, flange and pipe fitting. We have strong technical force, advanced production technology, and complete detection means and our products are exported to the United States, Britain, Germany, Italy, Canada, Japan, Korea, Argentina and Australia, more than 20 countries and regions. We supply our products to petroleum, chemical industry, machinery, power enterprises, and coal mines in China.