Founded in 1999, Nader (Shanghai Liangxin Electrical Co., LTD.) boasts a team of professionals with vast experience in technological research and development and production management. The head office of the company is located in Shanghai’s Pudong New District. Now the company is one of the fastest growing large private enterprises in domestic low-voltage electrical apparatus industry.



  • Low-voltage final distribution products
  • Molded case circuit breakers
  • Air circuit breakers
  • Automatic transfer switches
  • AC contactors and relays
  • Hydraulic-magnetic circuit breakers

Research and Development

As an advocator of breakthrough transformation and innovation, Nader has established an independent R&D center, and 5.5% of our annual sales revenue is used for the R&D of new products every year. The R&D Center aims at keeping step with international state-of-the-art technology of low-voltage apparatus and developing internationally and domestically advanced low-voltage apparatus.       

Nader’s R&D Center has complete software and hardware facilities, and actively promotes comprehensive professional cooperation with different factories, universities, institutes and institutions. At present we have 150 R&D professionals with profound theoretical knowledge and abundant practical experience, more than 70% of whom holds intermediate and senior professional titles. Meanwhile, the center is equipped with advanced testing equipments and a fully-functional test station.       

By the end of April 30, 2010, Nader’ R&D Center had obtained 119 patents, including 17 invention patents, and is therefore among the enterprises holding the most patents in the industry. Three of its products have been awarded Shanghai New Patented Product Prize, and three of its patents have been awarded Shanghai Excellent Patent Prize. Our company has also participated in establishing 8 national standards for low-voltage apparatus. The MCB and MCCB made by the company independently have been appraised as “Shanghai Famous Brand Products” for several times. In 2007, the hook selection device for overload relays was awarded the second prize of the 21st Shanghai Excellent Invention Competition. NDB2-63 was honorably appraised as Shanghai New Patented Product in 2007 and awarded design patent prize under Shanghai Reward for Invention and Innovation Patents in 2008.

In 2005, Nader’s R&D Center was identified as an Enterprise R&D Center of Pudong New Area of Shanghai, and will soon become an Enterprise R&D Center of Shanghai.

Nader Nader