In May 2007, the Group established a blasting company.

In January 2008, the group established a sales company.

In February 2008, the Group restructured 12 civil explosive distribution enterprises in the city and established Changzhi Shengan civil explosive Equipment Distribution Company.

In September 2008, the company launched the "Great Saint" brand trademark.

In April, July and September 2009, the company successively increased the product varieties of digital electronic detonators, seismic exploration detonators and magnetoelectric detonators.

In January 2010, the company obtained the import and export qualification of civil explosive products.