1980’s   Bursting disc products identified for the first time.

1993’s   Bursting disc manufacturer was prepared to establish.

1994’s   Shanghai huali safety devices manufacturer was established, legal representative and factory director is Yang xiuxia.

1995’s  Manufacturing license’s qualification examination was passed, our company becomes a fixed-point production enterprise.

1998’s   Our company was identified as a high-tech enterprise in Shanghai.

1998’s   GB150-1998 《Steel Pressure Vessel》which our company was participate in compilation was released.

1999’s   Bursting disc safety devices manufacturing license reexamination was passed.

2001’s   Our company restructuring, Shanghai Huali Safety Devices Co., Ltd. was established, chairman and legal representative was Zheng jianrong, deputy chairman and general manager was Yang xiuxia.

2003’s   Bursting disc manufacturing license reexamination was passed. Approved manufacturing LP、YD、LKT、BKT、LC、YC、PC、YE、YK bursting discs.

2005’s   Our company restructuring again, share composition was changed. Chairman, general manager and legal representative was Ding qiguo. The corporation moved to Yindu road No.555, Shanghai.

2005’s   ISO9001 Quality Management System certification was passed.

2007’s   Bursting disc manufacturing license reexamination was passed. Approved manufacturing conventional, reverse, flat and graphite bursting discs.

2011’s   Bursting disc manufacturing license reexamination was passed. Approved manufacturing conventional, reverse, flat and graphite bursting discs.

2011’s   GB150-2011《Steel Pressure Steel 》which our company was participate in compilation was officially released.

2012’s   GB567.2-2012 《Bursting disc safety devices》which our company responsible in compilation was officially released.

2015’s   Our company moved to Shuangbai road No.1288, Shanghai.

2015’s   Bursting disc manufacturing license reexamination was passed. Approved manufacturing conventional, reverse, flat and graphite bursting discs.
2016’s   Share composition was changed. Chairman: Ding qiguo, general manager and legal representative was Bian jinbao.