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Product Name:金刚石复合片锚杆钻头
Product explanation: 金刚石复合片锚杆钻头...
 
Product Name:合金锚杆钻头
Product explanation: 合金锚杆钻头...
 
Product Name:钎杆
Product explanation: 钎杆...
 
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Copyright:©Shandong Province Coalfield Geolgic Drilling Tools Factory
ADD:Jiaxiang economil development zone ,Jining ,Shandong PC:272400   TEL: 0537-6869077 6869677 6869877 6869977
WEB:www.china-jz.net  Email:smjinzuan@163.com