Changsha Tianhe Drilling Tools and Machinery Co., Ltd. is a specialized company to offer solutions in rock drilling and it is also a plant specializing in the production, management, research and sales of drilling tools。 Established Date: November，2002 Annual Producation Ability;80 Million RMB Employees:130 Certification:ISO9001:2000Products:1、Down-the-hole hammers and bits(3�to 16�)The specific series： TS--------Drilling tools for deep holeand super deep hole drilling TG------- Drilling tools for dry drilling TH--------Drilling tools for wet drilling2、Casing drilling systems（include overburden casing system，symmetrix overburden casing system and top hammer drilling tools）3、reverse circulation hammers and bits4、Rock drilling accessories：button bits，shank adapters，coupling sleeves and pistons5、Parts of drill rigs6、Special related products as customers�requirements
