Outer diameter 50-200
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Core Drilling Bit
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Core Drilling Bit
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Core Drilling Bit
Contact person:
Mr. Xu Johnny Xu
（+86）13910071338
（+86）15011377077
Enterprise email
hf-china@263.net.cn
johnny_xsy@hotmail.com
Company Address:
Inside the compound of Shengbao Company, No. 1, Dingdong Road, Yanshan, Fangshan District, Beijing