Halnn Superhard participatethe 15th China International Machine Tool Show on April 17~22th. We went to visit the newest technology. It is crowded in the show....

Part 1 The requirements on processing the brake discs Brake disc material commonly used gray cast iron, called FC250. Brake discs determine the effect of the car brake is good or bad, and it is consumables. Brake discs processing technology...

Halnn, as a professional Manufacturer of researching and producing CBN Insert, always devote to offering service for manufacturers in automotive, steel, Petroleum, chemicals, machinery industry, accumulate l ots of successful application ca...

As the development of the modern society, air conditioner almost becomes familys, factorys and enterprises necessary electrical appliance. With the rising numbers of air-conditioners, the manufacturers of air conditional compressor, also in...

As we all know, rolls will appear defects, such as cracking and spalling because of long period usage. Or rolls diameters cant reach the dimension requirement, then we will choose restoration technology (like surfacing) to make the rolls re...