Established in 2007,CoolLine is a professional manufacturer specialized in the independent research,the development and the production of charging equipment,medical equipment,digital accessories and other supporting products,and the sale in a body's new high-tech enterprise.We are located in Shenzhen,Guangdong,with convenient transportation access.
    Our products cover a wide range,and it can be classified as five categories,including new energy vehicle charging cables,medical device ……