Weifang Huawei Bentonite Group. ADD：State Free Trade Zone Weifang TEL ： +86-536-5078756 FAX ： +86-536-2081701 Mobile：+86-18953660268 Whatsapp:0086 18853662580 Wechat:lw306286055 Skype：cuteweli E-MAIL：willy@www.csyltl.com WEBSITE：http://www.www.csyltl.com