According to the inquiries collected by the staff, the training time of new materials for western construction varies from one or two days to several months. The orientation training for freshmen lasts for 7- 10 days, during which the basic situation of the enterprise, promotion mechanism and main business of the company are mainly explained; The basic professional knowledge training of the project department is generally organized by the chief engineer, paying attention to the actual explanation, and the training can last for one or two days; The technical, commercial, financial, material and safety training organized by the company is highly professional and lasts for about one week. The training organized by the company, such as construction engineers, employs professional lecturers to teach, and the training time is long. The offline training is about 10 day, and the online training lasts for one to two months.

Zhongjianxi Jianxin Material Technology Co., Ltd. was established in July 15. The legal representative is Chen Chi.