... Geotec Geological Equipment Co.,Ltd.(Former name Wuxi Nanfang Diamond Implement Plant) was established in 1980' s. It ... are Diamond Core Bits(Reaming Shells,,Core Barrels and accessories,Overshot,Drill rods and other drilling tools,high ... frequency welded diamond blade, tuck point blade, laser welding blade, sintered blade, flexible polishing pads, segments, grinding ...