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Yanggu Yihui Drilling Tools Co.,Ltd.

ADDRESS:No.216 Zhengyang Road, Qingdao, Shandong,China.

MOBILE:+8613006533721

Whatsapp:+8613006533721

E-MAIL:mya@yihuidrilling.com

Self-drilling Hollow Core Bar For Mining And Tunneling

Self-drilling Hollow Core Bar For Mining And Tunneling

Our threaded anchor bar is hot rolled, they are made of seamless steel tube, our hollow bar are superior in quality and reasonalbe in price, it was vey popular in the whole market....

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self-drilling hollow core bar for mining and tunneling

We are sepcially manufacturer of SDA(self drilling anchor) system, we produce hollow bars, couplers, nuts, drill bits and plate by ourselves, so we have competitive price in the whole market, please contact us if you have any enquiry, we will quote you our best price as soon as possible.

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