See our Company Profile About Us As a professional manufacturer of power transmission and distribution equipments, Shanghai Zhengli Electric Technology Co., Ltd. has focused on developing, researching, designing and producing. Our product include drop-out fuse, lightning arrester, vacuum switch, isolating switch, load switch, insulator, and distribution box ,Vaccum circuit Breaker,SF6 Breaker & SF6 load switch and so on. Since it has been organized, we according to "three high" strategy of high starting point, high-quality, high-level, passed ISO9001:2000 Quality Management...