micro pneumatic vacuum oil pump

 QBK series air operated diaphragm pump is driven by air. It is a kind of positive displacement pumps which volume changes caused by compressing diaphragms in both side.

 Stainless Steel Pump (SS304/316/316L)

DEFU Machinery is an enterprise involved in designing, developing, manufacturing and selling water pumps. Relying on the local industrial chain, DEFU has established its production base in Shanghai, Hubei and Shandong province.

Our main product: 

self priming pump, double suction pump, diaphragm pump, diesel engine pump, multistage pump, gear pump and some others.

Certificate:

Terms of Payment                                                                                                          

1. T/T

2. Western Union

3. L/C

Mode of Transport                                                                                                           

 Plywood Case

1. Q: Whats the MOQ ?

A: 1 set for regular product ,the special one we need to discuss.

2. Q : What're your payments ? 
A: For small order valve < 4000USD, our customer chose 100% T/T.

For order valve >4000USD, we can accept 30 % T/T inadvance , 70 % should be paid before shipping.

3 . Q : How long is the deliver time ?
A : For the order in stock ,we will deliver goods at once against payment.
For the orders out of stock , the products time is 7 days for bare pump, 25days for electric pump set or diesel engine pump set , the deliver time is base on the shipping date and your order by sea.

4. Q: What about the package ?
A : Standard export Plywood case .

5.Q : How is the pump delivered to us ?
A : For small order will be delivered by internation express ,like DHL,TNT ,FEDEX,UPS.
For large order ,it will be delivered by air ,sea ,vehicle or multi-modal transport.

6. Q: What is your quality of the diaphragm pumps?

A: Please see the below feedback from our customers.

Lena Chen-Sales Manager 

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