Shenzhen crystal good technology Co., LTD. Is specialized in the production of special security printing, anti-counterfeiting system development, knotty printing. Main products are: The laser holographic anti-counterfeiting, uncover type and scrape off 800/400 digital call security, ...
Telephone:86-89955651
Address:S shenzhen longgang bantian first industrial area, Shenzhen, Guangdong, China