Colleague relationship. Zhicheng Cai and Yin Qi of Longteng Optoelectronics are colleagues. Their positions in Kunshan Longteng Optoelectronic Co., Ltd. are directors and vice presidents of Zhicheng Cai and deputy general managers of Yin Qi. Kunshan Longteng Optoelectronic Co., Ltd. (formerly known as Kunshan Longteng Optoelectronic Co., Ltd.) was established in 2005, located in Suzhou City, Jiangsu Province, and is an enterprise mainly engaged in the manufacture of electronic equipment such as computers and communications.