We hold 21 patents for electric metal apparatus with 65 series and more than 850 varieties . sbj and sblj series pole holding type equipment wire - clamping apparatus were awarded with golden product rewards at beijing international inventions exhibition in 1996 Sbj sblj系列抱杆式设备线夹， 96年荣获北京国际发明展览会金奖产品奖， 97年被北京供电局发文推荐为指定产品， 98年被国家科委发文为全国推广使用产品。
