Shanghai Dingxin Electric Co., Ltd. (SDE) specializes in manufacturing diesel generators, motors, switch panels, electronic stabilizer cabinets, etc. "Dingxin"is SDE's registered trademark. Founded in 1986, SDE now has more than 400 employees, and owns a premise with a land area of over 50, 000m2 and a construction area of above 20, 000m2. SDE's fixed assets top RMB120 million, current capital RMB60 million, and annual sales revenue RMB500 million. SDE's premise is situated in a beautiful and clean environment. SDE's management policy is "Strict Management, Brave Innovation, Customer Satisfaction, and Name Establishment".

Through continuous improvement over years, SDE has accumulated rich experience in designing, manufacturing and commissioning products. SDE has introduced more than 40 equipment sets including plate shears, bender, planer, punch, finish machine, electric welder, varnish baker, etc., and established the testing center provided with complete commissioning equipment.

SDE also have various testing facilities equipped with complete instruments and meters for measuring power factor (reactive test), resistance load (power detection), voltage, current and frequency, which are suitable for testing various electric performance indexes.