Ningbo (China) Delin Auto Parts was established in 2000 as a nut processing workshop.

In 2001, the first director Mr Ye begin to production rubber valves , that is the predecessor of "Delin"

In 2003, a group of people came to Taiwan exhibition to learn the development direction of valve , in August, the research and development team was established .We commenced production of TPMS Aluminum alloy tire valve. It was the first time in China to develop TPMS tire accessories .

In 2005, the famous engineer Mr Meng joined us, after long period of R&D and thousands of testing ,we achieved a new level of success. On the same year, we began to launch TPMS tire valve to Chinese auto market, and received tremendous response and praise.

In 2008, the second leader Ms Ma began to develop foreign trade and lead enterprise to the world , and officially changed the name to "XueRen".

In 2012,new factory completed, and 3 distribution center spaces were built across the country, 80% places could ready to deliver by the next day in most cases

In 2017, as being the leader of TPMS tire valve manufacturer and designer in Asia. The New branch was established in Ningbo China, named "Delin" . As a new company, we always take "Stay hunger, stay young" as the motto of our company .

Today , Delin ranks among the top 5 professional manufacturers of tire valve suppliers in China . Delin has always been committed to the TPMS tire valve development and production. The products have covered cars, trucks, buses, motorcycles, bicycles and tire repair tools. All production processes have been realized the integration of numerical control operation. And established a long-term cooperation relationship with a number of international brands.

1. OEM Manufacturing welcome: Product, Package...
2. Sample order
3. We will reply you for your inquiry in 24 hours.
4. after sending, we will track the products for you once every two days, until you get the products. When you got the
goods, test them, and give me a feedback.If you have any questions about the problem, contact with us, we will offer
the solve way for you.

Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent,
we can pack the goods in your branded boxes after getting your authorization letters.

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 60 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 keep good 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.