We retain bettering and perfecting our goods and service. At the same time, we perform actively to do research and enhancement for Legal Chinese Mandarin, Shanghai Mandarin Course , Mandarin Language School Shanghai , Mandarin School Shanghai ,Certified Chinese Teacher . As an expert specialized in this field, we are committed to solving any problem of high temperature protection for users. The product will supply to all over the world, such as Europe, America, Australia,Lithuania , Nepal ,Colombia , Slovak Republic .We set "be a creditable practitioner to achieve the continuous development and innovation" as our motto. We would like to share our experience with friends at home and abroad, as a way to create a bigger cake with our joint efforts. We have several experienced R & D persons and we welcome OEM orders.