Nantong Richsmart Industries Co., ltd is invested in Richsmart Group (Yantai) which established 1997 and focus on producing metal parts. We can provide high-quality productions: 1: Casting parts including precision parts, die casting parts and sand casting parts (ductile and gray iron casting) 2; Machining parts including lathe planer milling grinding 3; Pipeline parts. The material of our productions is various: Carbon Steel, Stainless Steel, Aluminum and Copper as well as various specialized alloys. .