... system silicasol shell technology casting stainless steel round cap1.size range :1/8"-4"2.pressure:150LB3.material: ... ETC. 7.certificate: ISO9001 Quality System8.products range:stainless steel elbow,tee,crosses,nut,plug,nipple, cap,bushing. Unions ... .ball valve and other stainless steel products according to the customers’drawings; Stainless steel hardware tools, mechanical part, aircraft ...