Factory production department. Chongqing, referred to as "Chongqing". In Chongqing Heyutian, the production department of the factory is the most labor intensive and the most tiring in the entire department. Chongqing Heyutian Precision Electronics Co., Ltd. was established on February 13, 2012. Its registered address is Fengsheng Road, Jinfeng Town, Jiulongpo District, Chongqing. Its legal representative is Lai Lianyun.