Kerry Sinco is a professional trader located in Beijing, China which relies on several big factories; we sell various forging products, esp. rings. The factories lie in Shandong and other places, which are able to achieve the complete process of ?preforming-ring rolling-heat treating-thermal refining-machining-drilling-flaw detection-inspection? with advanced machines and a number of quality certifications. Our processing capacity covers a range of raw materials from0.3 to 100,000kg. We are ...