河南墨道石墨烯科技有限公司

地址:河南省 郑州市郑东新区正光路109号

手机:+86 18137678988 (徐先生 销售经理)

邮箱:xxy@mdgraphene.com

Henan Modao Graphene Technology Co., Ltd.

Address: No. 109 Zhengguang Road, Zhengdong New District, Zhengzhou City, Henan Province, China

Mobile phone: +86 18137678988 (Mr. Xu Sales Manager)

E-mail: xxy@mdgraphene.com