September 26th 1952 Meishan regional institutions approved the establishment of local state-owned Meishan mirabilite company, and Chen Yun, director of the State Council Financial and Economic Committee, issued the business license. 1953 Sichuan provincial finance Committee approved Meishan mirabilite company as a provincial local state-owned enterprise and changed it into Sichuan state-owned Meishan mirabilite factory, which was directly led by Sichuan Provincial Industry Department. 1954 The first set of medium-sized pot nitrification device was built, with an annual output of mirabilite 156 tons. 1955 built a small frozen crystallization device and started to produce medical-grade mirabilite. 1976 One-effect vacuum mirabilite production system was successfully tested. 1983 Approved by Chuanwei Medicine [1983] No.76, the designated production of medicinal mirabilite began. 1985, the four-effect forced circulation vacuum nitrate production system was successfully operated, and the annual production capacity was increased to 785 1 ton; The State Trademark Office approved the use of "Chuanmei" brand registered trademark; Enterprises implement the factory director responsibility system; Glauber's salt enters the international market. 1992, 3# evaporation tank with an annual output of 654.38+10,000 tons was put into operation (the first domestic five-effect forced circulation vacuum nitrate production system); The first 1500KW power station was put into operation. 1993 "chuanmei" brand sodium sulfate won the title of "Sichuan famous brand product" for the first time (it has been awarded this honor for nine consecutive years as of 20 10). No.4 evaporation tank with an annual output of 654.38+10,000 tons of mirabilite was put into operation on196; The second 1500KW power station was put into operation. The 1998 5# evaporation tank with an annual output of 654.38+10,000 tons was put into operation; The third 1500KW power station was put into operation; The enterprise was transformed into a company, renamed Sichuan Sichuan Coal Glauber's Salt Co., Ltd. 1999, and the same industry took the lead in passing the ISO9002: 1994 international quality management system certification. 200 1 The registered trademark "Chuanmei" was awarded "Famous Trademark of Sichuan Province" (it has been awarded this honor for three consecutive times as of 20 10); Enterprises implemented debt-to-equity swaps and were restructured into state-owned holding companies. On September 26th, 2002, the 50th anniversary of the factory was celebrated. In 2004, the fourth unit of 750KW power station was put into operation; Enterprise assets reorganization, complete the transformation; Glauber's salt (API) has passed the national GMP certification. In 2005, Chuanmei was reorganized into a Sino-foreign (Hong Kong) joint venture. In 2006, our company was rated as the key leading enterprise of superior resource industry in Sichuan Province by the comprehensive evaluation of the leading group of industrial work in Sichuan Province. In 2007, the groundbreaking ceremony of the annual output 1000kt special mirabilite project in Guangji mining area was held grandly. 1 1 After the project is completed and put into production; It is the first in the domestic industry to pass the ISO 1400 1:2004 environmental management system certification. In 2008, the State Trademark Review and Adjudication Board recognized that "Chuanmei" trademark was awarded "China well-known trademark; Successfully acquired the Mirabilite Mine in pengshan county, Sichuan. In 2009, Guangxu Resources, an overseas parent company, was listed on the main board of Hong Kong. The technical transformation and expansion project of mirabilite GMP in Muma Mirabilite Mine was completed and passed the national GMP certification; Successfully acquired Yuegou Glauber's Salt Mine in Dongpo District, Sichuan Province. 20 10 pharmaceutical mirabilite was approved by SFDA for "drug re-registration"; Yuegou production factory has obtained the production license and product approval number of feed additives from the Ministry of Agriculture. 20 1 1, medical mirabilite products with multi-specifications and small packages for clinical use are on the market. 20 1 1 Clinical re-evaluation of medicinal mirabilite was launched nationwide.