Both testing machine companies are good.
Sansi Zongheng is a national high-tech enterprise that carries major national scientific research projects and Shenzhen innovation projects. It is a national brand testing machine enterprise supported by the state. Sansi Zongheng has 5 invention patents, 25 utility model patents, 22 software copyrights, 5 appearance patents and 6 registered trademarks.
Wance is a company integrating R&D, manufacturing, sales, service and the provision and implementation of professional mechanical property testing solutions.