Founded in 1914 in the United States, it is one of the top ten brands of protective equipment, and entered China in 1987, and is one of the most influential multinational companies in the world for the production of safety and gas detection equipment

Founded in 1914, MSA is one of the world's most influential multinational companies in the production of safety and gas detection equipment, and entered China in 1987 to establish the first Sino-foreign joint venture in the field of safety in China. Since then, MSA has a Chinese name - Mei Si'an. In 2003, Mei Sian set up its China marketing headquarters in Shanghai. In September 2008, a new production base and R&D center with a total investment of US$35 million were put into operation in Suzhou Singapore Industrial Park. At present, Messian's products and services have covered the entire China region. The R&D team is working with experts from the United States and Europe to learn and apply the world's most advanced technology in the field of safety equipment, in order to achieve the goal of "making all people in the world work safely and make their families and the people around them live healthy!" mission to contribute.

Headquartered in Pittsburgh, Pennsylvania, USA, MSA has more than 5,000 employees in more than 30 countries around the world. MSA's products are sold in more than 140 countries and territories around the world, protecting people's lives and helping to improve and enhance the quality of work and life.