Zhejiang Benyu Tools Co., Ltd. (dzina lakale la Zhejiang Zhongtai Tools), lomwe linakhazikitsidwa mu 1993, ndi katswiri wopanga zida zamagetsi ku China.Kupyolera mu zaka 30 zogwira ntchito molimbika komanso zopanga zatsopano, kampaniyo idakhazikitsa njira zogwirira ntchito za R&D, kupanga, kutsatsa ndi ntchito zogulitsa pambuyo pake.