Company Name: Beijing Zhongcai Jianke Insititute of Science and Technology for Building Materials Contact Person: Linda Li Email: henry@zcjk.com, linda@zcjk.com Tel : +86-10-65767712 Fax: +86-10-65742913 Mobile: +86-13439309361 (whatsap/wechat) Website: www.zcjk.com Skype: miss.you861