... mould 2.describe:union ball valve 3.type:single,double,thread,butterfly,brass ball 4.material: ppr, pvc,abs, ... . Small order accepted.standard: BS, ANSI, DIN, JIS, socket, thread, order, quality, size, color, package, weigh, fast, long, ... excellent, chemical, pressure, traditional, easy clean, single , double, vertial, horizontal, perfect, small, big, thinkness, inch, structure, surface, ...