Jiangsu Wallong-hsin Corporation is a leading company with many years&＃39; experience in machinery parts exporting business. We process according to costomer&＃39;s drawing and sample. Our working process include sand casting, investment casting and machining. Material include stainless steel (ASTM CF8M, ASTM 316,440, etc.), carbon steel( 1045, WCB, ect.), copper alloy.Our company have passed ISO 9001 and we have our principle as "Clients&＃39; needs come first". We not only have high-level efficiency and competitive price,more important the quality of our products are good and steady.