Star SU is a joint venture between Star Cutter, an American company with a history of 90 years and Samputensili, a company under the Italian veteran SAMP SpA Group. It is one of the world's largest gear tool and machine tool production companies.

In 2015, Xingsu China was officially established, bringing more advanced gear processing technology to China. Combined with the needs of the Chinese market, relying on the resources of global brother companies, it provides Chinese customers with more complete tools, machine tool products, and efficient customized gear processing. A complete set of solutions.

XingSpeed ​​China provides a complete selection of gear processing tools, including hobs, milling cutters, tooth insertion cutters, rolling cutters, shaving cutters, chamfering cutters and deburring cutters, standard gears, ring gauges, plug gauges, etc.