... luster,inimitable,in designs,good products and well in handle.2.Performance:well in soften and climate changed,excellent in geometry of ... 0.8Mpa to test all Ball Valves series,in order to ensure the quality.4.Design:Except ... take up with best compages of products' performance and apprearance' designs at all times,developing many ... needs,we can make different color,size and model. Compression coupling