BEIJING BETTER CARBON EXCELSIOR
TECHNOLOGY CO., LTD. （BJBCET）
Add: 101200, Pinggu Town, Pinggu District, Beijing, CHINA
Whatsapp: +86 18301137796 WeChat: 17716588279
Email: bettercarbon@163.com
Facebook：https://www.facebook.com/BeijingBetterCarbon/
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