China 1/2" -4" Ss 316/ 304 2 Way Ball Valve, CF8m 1/2" Ss 316L 2-Way Angle Stainless Steel Two Piece Ball Valve, Find details about China Ball Valve, Stainless Steel Ball Valve from 1/2" -4" Ss 316/ 304 2 Way Ball Valve, CF8m 1/2" Ss 316L 2-Way Angle Stainless Steel Two Piece Ball Valve