Kerry sinco is a professional trader located in Beijing, China which relies on several big factories. We sell various forging products, esp. Rings. Our processing capacity covers a range of raw materials from0.3 to 1000kg. We are able to provide rings, tubes, shafts and squares of f73-8, 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.