تنظيم الجهد  شركات مصنعة، تجار، موردون، مزودو خدمات

Valid Magnetics
is a Hong Kong based technology company specialized in testing,
measuring and controlling products or systems in torque, tension,
load-force-weight field. We have our own manufacturing facilities and
R&D department for designing, improving and producing the latest
products and obtain several patents for the contribution and innovation
in this area. We are the leading manufacturer of motor test equipment,
hysteresis brakes / clutches and electronic tension devices in Asia with
hundreds of local and oversea customers in over 20 countries.