Guangzhou MCM Certification & Testing Co., Ltd. is a world-leading independent third-party organization, who is specialized in providing the cutting-edge information and professional solution of battery testing and certification at a global scope. Lithium-air battery, Un38.3 Specification , Testing Of Un38.3 , En 62133 Technical Documents ,Un38.3 Test Items . SIRIM QAS accepts MCM’s testing data and can conduct witness testing at MCM without sending samples to Malaysia. The product will supply to all over the world, such as Europe, America, Australia,Jersey, Rotterdam,South Korea, Paraguay.Products are sold all over the world, and there are many kinds of certification, long certification period and different requirements in different regions. How to solve the problem? MCM provides you with customized solutions to solve your problems without worry.