Inception in the year 2010
Since its inception in 2010, our first plant has grown to become one of the largest manufacturer of metal parts in China. From the beginning, Granso produces a broad, tailored, comprehensive range of metal parts with ISO9001:2015, RoHS.
Cooperating with famous brand, CHNT, DELIXI as well as HUAWEI, Granso's annual output value has reached 60 million dollars. Then, Granso has developed and entered the field of high-voltage distribution switches, achieving remarkable results up to today.
A professional manufacturer and exporter
Granso specializes in components of switchgears from 7.2KV to 40.5KV, such as interlocking device, circuit breaker, load break switch, grounding switch, vacuum circuit breaker, insulating parts and etc. Owning three factories with 23000+ square meters together, Granso now has over 200+ staff, 25+ technicians. The self-production rate of parts in our company is as high as over 90%, and we strictly control every process.
Business philosophy
Granso insists in manufacturing products to international quality standards and caters to customer demands by ensuring timely delivery and providing exceptional service.
Our Certificate
