Purchase Qty. Reference FOB Price
1-499 Pieces US$500.00
500+ Pieces US$40.00
Product Description
Product feature 1.factory direct supply 2.factory wholesale price 3.stable quality 4.high drilling efficiency 5.good wear resistance 6.long service life Product Advantage: 1. Impregnated Diamond Bit: Special mental coated diamonds to extend the diamond working life. 2. Surface ...