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Tel: +86-020-32053003 Fax: +86-020-32051400 Email:sec@dc-group.net
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| 3Huangshan Road,DalongVillage,Dalong street,Panyu District,Guangzhou City,Guangdong Province,China (511450). Tel: +86-020-32053003 Fax: +86-020-32051400 Email:sec@dc-group.net (C) Copyright D.C. Environmental Co., Ltd. 2021. All rights reversed. |