Factory Price cir Series Low Air Pressure dth Hammer Bit 120mm dth low air pressure rock drilling bit SDK is in the position to offer a very comprehensive range of DTH drill bits to match various conceivable drilling applications. DTH (Down the Hole) drill bits are widely used for large scale mine (open and underground), open quarry, water-well drilling, tunnel, geothermal drilling, subway engineering drilling, roads, power stations, and other construction projects. Our drill bits adopt special heat treatment technology to enhance hardness, surface-compressed for fatigue resistance, all thus to extend the product life for maximum wear and performance in the toughest of drilling conditions. LUOYANG GUANGTUO ROCK DRILLING GROUP, it was founded in 2010, located in Yiyangcounty, Luoyang city,Henan province,specializing in producing hollow drill steel andtapered drill rod. With the past years efforts,it has developed three branches,LUOYANGTUOYAN MACHINERY EQUIPMENT CO,LTD, specializing in manufacturing thread drilltools including thread rods and bits, LUOYANG SHANDIKE MECHANICAL EQUIPMENTCO,LTD, mainly in charge of import and export dilling tools business.Within advancedtechnical equipment,mature production line and experienced working team,GUANGTUOhas occupied more than 30% shares in domestic market, and sales outlets can be found allover the country. LUOYANG SHANDIKE MECHANICAL EQUIPMENT CO.,LTD ,for satisfying different rock conditions and quarry miner' S compatible products requirement,our main business scopeincludes air leg and hand-held rock drilling machines,top hammer drilling tools, such astapered drill rod, hollow drill steel with collar, tapered chisel bit,button bits cross bit, threaddrill bits and rods and down the hole drilling tools such as dth bit and dth hammers. LUOYANG GUANGTUO ROCK DRILLING GROUP covers an area of 47,500 square meters, and employs more than 300 workers, 5 senior engineers and12 foreign traders,etc.Usingthe advanced equipment such as Vacuum degassing furnace,Normalizing furnace, pitcarburizing furnace,CNC lathe and friction welding machine and special productivetechnology, both high quality and beautifulappearance get the best insurance.FAQ
1. T/T or Western Union or money gram or L/C at sight? All are no problem.
2. Shipping time for an order: We have many stock. As usual, we can deliver the goods as soon as get the full payment.
3. Quality control: Each production process have quality inspector to check the quality . And we have a very strict factory standard. There will also be strict inspection and testing for every order before shipping out.
4. After sale service: Free replacement will provide once the failure confirmed caused by our product quality.
5. How can we trust your company? We support Alibaba trade insurance. Protecting products quality, shipment on time and your covered amount.We are alibaba trade assurance gold supplier and have more than 10 years manufacturing experience of drill rods.