Jiaxing DNH Electronic Science&Technology Co.,Ltd is one professional and honest manufacturer of variable speed drive (VFD, ac drive or VSD) and soft starter with one mature team of R&D, manufacture, sales, and after-sales service.DNH owns its professional R & D team with strong innovative capability. The team includes many experienced technicians who are good at software, structure, and application. Many of them have more than ten years background in automation industry. So DNH could offer customized application service in according to our customers' request. DNH products and services have been acknowledged by our customers from China and many other countries.In addition, DNH has one whole advanced production line which includes assembly line, testing line, packing line, high temperature aging room and so on. Meanwhile, there is no doubt that systematic management is very crucial to product quality control. DNH has successfully passed the ISO9001:2008 quality management system certification. And we have put much more attention to details in daily workshop management.With hard work of DNH colleagues, the company has already gotten national computer software intellectual right for variable speed drive. In order to service overseas market and prove our product quality, DNH has get the approval of world famous certificate of TUV which is a typical and professional certification for industrial products. Until now DNH products have been widely used in machine tool, metal products, plastics, printing and packing, textile, building materials, metallurgy, coal and other municipal industries.Innovation is DNH's fundamental development theory. Quality and service are the eternal commitment to our valuable customers.