In the lock manufacturing market in China, Xiaolan Town of Zhongshan City is known as the "Southern Lock City". Backed by Zhongshan, a powerful production base of hardware products, facing the four places across the Taiwan Strait and the vast international market, it occupies a unique position in the lock-making industry in China. The localization application of innovative lock-making technology represents the future development direction of China lock industry to a certain extent. In addition, its export-oriented development model also indicates entering the middle and high-end lock industry market.