Jinan Zhengri Science Co., Ltd.

Established in 2003, Jinan Zhengri Technology Co., Ltd. (Sunup) is a technology manufacturing enterprise specializing in R&D and production of engraving and milling machines and tire mold EDM machines. Our range of machinery products include: Router machining center, carving machine, CNC engraving and milling machine, CNC drilling, EDM machine, tire mold EDM machine series and other products. We are constantly working on the development of tire mold EDM machines, and constantly strive to improve the performance of tire mold spark machines. In 2007, Sunup successfully developed an unimpeded high-frequency pulse power supply, which realized the effective combination of high processing of tire mold EDM machine tools and energy saving, and made great contributions to the national equipment manufacturing industry. It changed the high grade electric spark equipment rely on importing. It is widely used in tire molds, automotive, aerospace, communications medical, new energy and other indus...