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China Putian Qideli Drilling Tools Co., Ltd. certification
I am now very confident in our company's product, is better than others' product.Good drilling tools, made by QIDELI.

—— Zhao Li Dong-----Agent on Xining Qinghai China

Our DTH hammer has passed the test of 4,500 meters and there are no problems at present. Thank you for your quality products.

—— Kassym------Kazakhstan customer

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china latest news about Test of cop44-115mm DTH bits

Test of cop44-115mm DTH bits

[2019-03-01 16:47:45]
Field test record sheet for DTH bit Test unit Jiangkou project department Test time 20.APR.18~22.APR.18 Test site Jiangkou, Putian, Fujian Engineering project Quarry Host model Jinke 590 Main engine speed Type of air compressor Life force 780RH wind pressure 21kg Impactor type Day and 55A Drill ... Read More
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