Extension should be 505 10.
Let's take a brief look at Shanghai Changshuo Technology:
Changshuo Technology (Shanghai) Co., Ltd. was established in 2004 in Kangqiao Industrial Zone, Pudong New Area, Shanghai. Its parent company, Heshuo United Technology Co., Ltd., is an affiliated enterprise of Taiwan Province Asus Computer Co., Ltd. At present, Heshuo Group has registered three companies in Kangqiao, Pudong New Area to form "Heshuo/Yongshuo East China Operation Center", with a total investment of 627 million US dollars, including Changshuo Technology (Shanghai) Co., Ltd.
Mainly engaged in the research and development and manufacturing of electronic information products such as notebook computers and mobile phones, it is one of the top five notebook computer manufacturers in the world; Junshuo Electronic Technology (Shanghai) Co., Ltd. is mainly engaged in the design and manufacture of precision molds related to electronic information products; Hua Qian Trade (Shanghai) Co., Ltd. is mainly engaged in domestic service of IT-related products.