Shenzhen Tat Fook Technology Co., Ltd. (hereafter "Tat Fook") is one of the largest telecommunication RF module manufacturers in China. Tat Fook has a high domestic market share for RF Products, especially the base station filters. Our key customers include Huawei, Ericsson, Alcatel-Lucent, Siemens, Datang in the field of telecommunications equipment MTIS service.