Rochan?Steel?Pipes&?Fittings?LTD?,?our?company?based?in?Beijing?is?a?specialized?Manufacturer,?stockist?and?exporter?of?carbon?steel,?stainless?steel,?alloy?steel?and?ductile?iron?pipes,?fittings,?flanges,?valves,?plates,?gaskets,?fasteners,?structural?steel?and?strainers?according?to?various?standards?for?consumable?oilfield,?gas,?marine,?industrial?and?other?Engineering?Areas?and?do?our?best?to?become?a?company?developing?the?business?along?with?the?customers.??With?its?comprehensive?prod...[详细介绍]