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 casesIn 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.