All rights reserved：Dongguan Dechuang Chemical Co., Ltd.Dongguan Hong Kong cheng electronics co., LTD
Address：Changan town, dongguan city, the sand sixth industrial OuQingHui industrial park
Tel：0769-85339971 Fax：0769-85339975
Email：kongchan@kongchan.com 粤ICP备1609245号
