This model uses high-density space aluminum shell, internal circuit design is stable and reliable, centralized high-power single group output scheme; It has multiple protection functions such as overheat protection, over-current protection, over-voltage protection and overload protection; Totiwo all series of product models can be issued value-added special invoice, the national five-year joint insurance; In January 2014, the company successfully passed the ISO9001 quality management system certification. At the same time, a number of series of products on the product line have successively passed CCC, UL, CE, KC, BS, GS, CB, FCC, SAA, EMC, ROHS, six level energy efficiency certification in the United States and six level energy efficiency certification in the European Union. The main advantages are sufficient power, small size, light weight, long service life, excellent price, fast delivery, after retail, intelligent core, anti-interference, special stability, full model, etc. it is the best recommended star product in the new industrial electrical industry; Safe use of electricity, ease of use, more than 10 years of industry experience; TOTIWO- "Made in China, Trust by the World；Head to the World，Made in China" and “Famous brand and star enterprises”.