2000: Founded in Shenzhen, a small assembly factory 2004: Developed to a medium sized factory with export ability and R&D dept., grew into main customers' key vendor 2011: Moved to Linhai, north of China 2017: Move back to Shenzhen, as: 1. The cost difference is decreasing; 2. Environmental protection policy is more clear; 3. Quality control is more manageable.