The use of special heat treatment process, 40-45 degrees, basic no oxidation surface. Pick head using isothermal quenching process, the hardness is not reduced. Cemented carbide by regular domestic big production, quality and stability. According to the customer need to add welding wear-resisting layer, hardness of 65 degrees of above, can also be used to sample custom.
Newritte Rock Drilling Tools Co., Ltd, is a high-tech corporation, located in Liaocheng, Shandong Province.
We are specialized in the researching and manufacturing of coal mining bits, rotary bits, rock drilling tools, mining tools and construction tools, which are widely used in mining excavating, metallurgy, and other industry.
Since its establishment in 2001, our professionals developed most technologically advanced rock drilling tools in the market, thus make us as a trend-setter in our industry. Our products has obtained ISO 9001: 2000 quality systerm certification. With the principles "quality first, the good faith " welcome all kinds of cooperation including technical collaboration., new products developing and processing according customer's samples.
