changzhou chenjia lock factory is a perfect example of the fusion between the mature experience of our workforce and innovative technologies concerning machinery involved in the production process of Double Bolt. Our prolonged experience in serving a diverse clientele made us able to adapt constant technical change and improvement, leading to Australia,Canada,India,Russian Federation,United Kingdom market share. The unmatched technical expertise in combination with a desire to be the best in the industry has pushed us ahead in line and we achieved Below US$1 Million.We intruded the market back in 2006 as Manufacturer and Exporter of Double Bolt with initial business capital estimating around US$1 Million. Since inception, changzhou chenjia lock factory is operating as a Private Limited company in Changzhou, Jiangsu, China holding Have Own Export License.To ensure a finished product line we have gathered a force of professional grade technicians and innovative standard of processes. This is to mark perfection in all segments of business, from dealing with Double Bolt to mechanical door lock.