Tire Valve Cores for standard bore 7001,7002,7003,7004
►Short valve core with inside spring applied to tire valves with No.1 core chamber(5V1)
►Black or red seal
►Brass material,Ni plated
All our products is checking following GB/1796.3-2008 by our inspectors during the production.This first step is after the rubber press machine put the rubber and stem together.Our inspector check whether has the rubber plug the hole or extra the stem,if have,we will take them out.
This second step testing is very important.We test 100%.We put the tire valves in water sink keeping 60 seconds in 8 kgs pressure. If we found the air is bubble,then we will take them out.Through this way,not only the quick air leak,but also the slow air leak can be tested.
During the each production,which we are sampling the each rubber set to test before bulk production.The hardness we control in 65±5 ShoreA
This progress is also important.This is pull in and out force power testing.We control this progress very serious.Each production before bulk production,we make the testing.We control the Pull on power:180-450N,Pull off power:>600N
Each box which we stick our QR code. And it show our material ID No., Quantity and Item No..From this tracing,we can find in which lot we produce.
Q1. What is your terms of packing?
A: Generally, we pack our goods in SUNSOUL brand inner packing and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.If you need neutral packing,pls contact us before ordering.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages
before you pay the balance.
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.
Q4. How about your delivery time?
A: Generally, it will take 30 to 40 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8: How do you make our business long-term and good relationship?
A:1. We are always keeping improving quality and competitive price to ensure our customers' benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them,
no matter where they come from.
