Sichuan Chuanhua Yongxin Construction Engineering Co., Ltd. (hereinafter referred to as the company) is a national first-class chemical and petroleum engineering construction enterprise integrated by Sichuan Chuanhua Group Construction and Installation Company (founded in 1959) and Sichuan Chemical Equipment Factory (founded in 1983). The company has 1 100 employees and 166 people with professional titles, including 120 people with senior and intermediate professional titles. There are 65 technicians, and senior and intermediate technicians account for 60% of the total number of employees. The total power of the company's construction machinery and equipment is 10586 kW, and the power equipment rate is 9.8 kW/ person. The annual construction investment is 654.38 billion yuan, and the annual capacity of manufacturing and installing 654.38 million tons of Class I, II and III pressure vessels and non-standard equipment.