QUANZHOU CHANGJIN was founded in 2009, close to 10 years it has become one of the leading wheel bolt and nut manufacturers in its sector for heavy duty vehicles, trailers and buses.
With the experience of many years in the Automotive sector,
CHANGJIN constantly upgrades its maket share thanks to its technological and machinery investment and maintain uncompromised quality standards.
“To live Quality it is necessary to strive for perfection every hour of every day”
The process starts with Cuting, Forging, Metal working, Heating Treatment, Finishing Treatment, Packing, each process all under ISO 9001:2008 Quality System Certification and strict inspection, then moves all the way to production and services. Every employee at ChangJin is well aware of this responsibility.