Rochan Materials, based in Beijing, China, established in 2001, is the specialized manufacturer & exporter of Pipes, Fittings, Flanges & Valves made of carbon steel, stainless steel, alloy steel and ductileˇ according to various standards for consumable oil fields, gas marine, industrial and other construction areas and do our best to become a co***ny developing the business along with customer.
The quality assurance enables our customers to response, confidence in Rochan Co***ny as a reliable sour...
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