JS performance of IMP.bit is determinded by conbination of diamond and matrix, Jinshi use special matrix and provide optimal performance:

matrix have 5 different crown height: 6,9,12,16,25mm

 profile is as below:

our diamond core bits specification :

JS is the largest supplier of drill consumables in China, It is expert in innovation,manufacture, sales and professinal service for diamond core drilling consumables.

JS aims at becoming the world leading expertise in damond core drilling consumables

JS main products are diamond products, coring system, rods &casing, drill accessories. 

workshop1

our after service worker is teaching the driller how to use the core barrels  in abroad