Shanghai Pandeng is a professional power protection company who has been engaging in the production of voltage stabilizer, lightning and surge protector and sales of test instrument for long term and the hi-tech achievement transition enterprise. It has joined the draft of non-contact voltage stabilizer, surge protector's GB and dB many times. The company comprises of a group of professional senior engineers and large quantities of electrical engineering technical personnel. The company is also well known for its strength in many products and also the market leader of the stabilizer industry.

Pandeng has been consigned by the American JOSLYN Company who is the No. 1 in the lightning field and the one of fortune Top 500 enterprises. And Pandeng is in charge of market extension, product provision, technologic support and after-sell service of lightning product in nation. The American president's plane_Air force one also has adopted the surge protector of JOSLYN series. Now the important equipments of communication, airport, financial security, scientific research, nation defense facility and other fields in nation have been installed with JOSLYN's products, and they can protect the equipments 100%. Pandeng accumulates the experience of all kinds of grounding designs and constructions, has researched the test of grounding resistance on line totally and considerately, chose the grounding resistance measuring instrument that Germen GMC Company produces who is famous in the world. Pandeng cooperates with the famous instrument manufactures in Europe and America to popularize the newest power source examination and maintenance instruments and provide the specific measuring technology and method to the users in nation.