QF-8C Brass Shaft Coupling Oxygen Cylinder Valve with Safety Device

We Nanjing Greteq Industrial Co., Ltd have a long history in China. Now we have two mainly products: Ductile iron pipe/fittings and gas cylinder valve/gas equipment.

In ductile iron pipe/fitting department we use the lost-foam casting process and resin bonded sand process and make production and inspection strict according to ISO2531, BSEN545, BSEN598 and GB/T13295 standard. It annually produces 200000 tons of ductile iron pipe and 15000 tons pipe fitting The diameter are from 80-2600. We have a owned ductile iron pipe factory and several cooperative iron pipe and fitting factory, So we can meet your big quantity order and supply all diameter size ductile ion pipe and fitting to you in short times. Our goods are only for export and had succeeded exported to America, Europe, Africa, Oceania, Southeast Asia and the Middle East.

In gas cylinder valve/gas equipment department. The mainly products are including high and middle pressure oxygen/acetylene/CO2/H2/N2/Ar/Cl/Freon cylinder valve, CGA cylinder valve, CNG/LNG cylinder valve, cryogenic valvepipe shutoff valve and pressure reducer used for all kindly of industries, SCBA cylinder valve and so on. Those products are well-known in domestic market and exported in many countries.

We will 'Survival by Quality, Development by Credit' and looking for your inquiry.