1. Can you provide free samples?

Yes, samples are free, but you may need to pay some express cost for the samples.

2.Do you develop any new designs every year?

Yes, every season there are new designs provided to clients by emails. New catalogue refreshed every year will be mailed or emailed to clients. 

3. Is there any after-sale service?

Customer services will watch for your order once your order placed to our company, you’ll get emails for your order status termly until you get the goods at your hand.

Once you get the goods, please check the goods, if find out any problems to our goods, notify us, we’ll immediately get out the solutions for these.

 Xuzhou DeSheng petrol machine parts Co., Ltd. concentrates on design, development, manufacture, marking sales into one company. It produces the relative accessories of the road dangerous fuel transportation parts and other aluminum alloy components used on machinery. At present, the products are mainly include flanges, ball valves, filters, manhole covers, API loading valves, quick coupling, vapor recovery parts and other related products. The aluminum alloy hose quick coupling, double-way valve, square flange connector, breathing valve is China Petroleum Co., Ltd. Appointed products to supply.

Type "A", has a male grooved adapter and a female pipe thread (BSP or NPT thread) of the same size.

Type "B", has a female camlock end and a male pipe thread of the same size.

Type "C", has a female camlock on one end and a male hose tail on the other.

Type "D", has a female camlock end and a female pipe thread of the same size.

Type "E", has a male camlock on one end and a male hose tail on the other.

Type "F", has a male grooved adaptor and a male pipe thread of the same size