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 able to provide rings, tubes, shafts and squares of Φ73-8,000mm which are widely used in Oil &Gas, piping, wind power, nuclear power, UHV transmission, shipbuilding, heavy cranes and other areas. All products of carbon steel, alloy steel, stainless steel and other materials can be made according to the standards of ANSI, DIN, JIS, GB or your drawings.