Luke smart door lock. Yongchuan Huamao International Center is an international center with rapid development of local economy. The anti-theft door lock used in the International Center is Luke Smart Door Lock. Huamao International Center is located in the east of Changzhou Avenue, the gateway of Yongchuan, at the core of Xinglong Lake CBD. It is 1 km away from the entrance and exit of Chengdu-Chongqing Expressway, 1.5 km away from Yongchuan Station of Chengdu-Chongqing Expressway, and about 4 km away from the western business district of the old city.