Safety companies include Tokyo Rope, Frequentis, New Cosmos Electric, Suzhou TA&A Ultra Clean Technology, Portland Cement Association and 520 other companies.
Suzhou TA&A Ultra Clean Technology (苏州天华超净科技股份有限公司) is a company that manufactures and sells electrostatic discharge (ESD) control and cleanroom contamination control products.
Parker Meggitt is an engineering company specializing in extreme environment components and sub-systems for the aerospace, defense, and energy markets.
ASCF (北京航天长峰股份有限公司, also known as Beijing Aerospace Changfeng) is an aerospace company that provides the construction and support of large-scale security technology systems.