... F/F 1. standard ball valve 2. stainless steel 304/316 4. OEM logo F/F Mini ball valve F/F/ precision casting parts ...........................................................................1 ... portTianjin, Qingdao, Shanghai in generalPayment termsT/T, L/C, West union, PaypalAttend fairChina Import and ... technical aspect, we have strong technical R&D ability to meet customers’ special process demands, ...