According to relevant data, Shanghai Changshuo Electronics Factory has CNC, and the salary of CNC engineers of Changshuo Technology (Shanghai) Co., Ltd. has been shared by three friends in the professional circle: the average salary of CNC engineers is 8560 yuan/month.

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. Heshuo Group registered three companies in Cambridge, Pudong New Area, and established the "Helian/Yongshuo East China Operation Center" with a total investment of 627 million US dollars, including Changshuo Technology (Shanghai) Co., Ltd., which specializes in electronic information products such as notebook computers and mobile phones. 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.