The electric distribution transformer applies new type insulating structure and makes short-circuit resistance strong. The iron core of  11kv distribution transformer is made of  high-quality cold-rolled silicon-steel plate. High –voltage winding group is made up of high-quality oxygen-free copper lines and it adopts multilayered drum type structure. All fasteners have been processed with special treatment to prevent them from loosening.

1. Pre-Sale Service

- Professional question: offer professional answers about products  

- Quotation: quote you competive price

- Quick response: reply you within 24 hours

2. In Sale Service 

- Tracking the production of the products and feed back to you

- Making good arrangement of the delivery

3. After Sale Service

- Providing 12 months warranty for the quality and performance 

Founded in 1992, Hua Sheng Long Electrical Equipment Co. Ltd. (HSLEC), a provider of standard and custom transformers and reactors combined, is one of the leading electrical drive companies in China. Our design engineers, in collaboration with specialists from Yanshan University of Qinhuangdao and a couple of leading research institutes in the industry, have worked assiduously over the years to offering end-users with seamless solutions to fit into their development plans. Being a supplier to global brands in the likes of Siemens and ABB, we have won patronage of a host of companies from home and abroad. 

HSL has a long tradition of electric drive experience and innovation. We constantly strive to expand our product line and boost standard of services to meet emerging customer needs.