Chang-seok Technology (Shanghai) Co., Ltd. in 2004 to invest in the Pudong New Area of ??Shanghai Kangqiao Industrial Zone was established, the parent company Pegatron Technology Co., Ltd. is the relationship between Taiwan's Asustek Computer Inc. business, now and in large groups in the Pudong New Area, Cambridge The three companies have been registered, constitute "and linking / Unihan East operations center", with a total investment of $ 627 million, including Chang Shuo Technology (Shanghai) Co., Ltd. is mainly engaged in the development and manufacture of notebook computers, mobile phones and other electronic information products, is the world's One of the five major notebook computer manufacturers; Jun-seok Electronic Technology (Shanghai) Co., Ltd. is mainly engaged in the design and manufacture of electronic information products related to precision molds; Hua Qian Trading (Shanghai) Co., Ltd. is mainly engaged in the domestic IT-related products and services.