6 Inch Core Drill Bit | Industrial-Grade Diamond Bits for Hard Rock

1. We have been strictly controlled the quality of our raw materials, and all of our steel metals are from famous steel mills(factories). And physical metallographic analysis and chemical composition test are also used to ensure the quality of raw materials. 2. Immediate inspection will be done for each production procedure, and full examination will be implemented for threaded products. 3. Our outsourcing products will also be strictly examined before utilization. 4. Our sampling rate for final products is higher than 30%.

The company is equipped with internationally advanced manufacturing equipment and has established an R&D center as well as advanced physical and chemical laboratories. These facilities enable it to carry out various physical performance tests and chemical composition inspections.

We have been strictly controlled the quality of our raw materials, and all of our steel metals are from famous steel mills (factories). And physical metallographic analysis and chemical composition test are also used to ensure the quality of raw materials.

Our company can produce the HDD Drilling Tools , Downhole Drilling Tools ,Drilling Tools And Accessories to the design from the customers. and these products can attach the customer's logo or ID.