Huan Weiwei: Male, born in June, 1983, China nationality, without permanent residency abroad, bachelor degree. He has worked in Shenzhen Eurofilm Technology Co., Ltd., Shenzhen lt Group Co., Ltd. and Suzhou Wu Fang Photoelectric Technology Co., Ltd.; 20 14 has worked in the company so far, and is currently the director and vice president of the company. He is also the executive director of Suzhou Wu Fang Optoelectronic Materials Co., Ltd. and the executive director and general manager of Hubei Wu Fang Crystal Co., Ltd.