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graphite mould carbon products Qingdao graphite mold processing Qingdao charcoal carving
Qingdao zhonghe carbon products co., LTD
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地址：Qingdao lacey had Shanghai east road no. 8
电话：0532-87420785
手机：13969763348
Email：397383211@qq.com
Qingdao zhonghe carbon products co., LTD
graphite mould carbon products Qingdao graphite mold processing Qingdao charcoal carving