1.Investment casting 2.Screwed stainless steel pipe fittings 3.ISO 9001:2008 Certificated Company Detailed Product Descriptionexisting products include: stainless steel ball valve,elbow,tee,crosse,nut,plug,nipple, cap,bushing, union and other Female unionsize:1/8"-4" pressure:150LBmaterial:304(304L),316(316L)suitable medium:Petroleum, natural gas, chemical industry, water and electricity, ...