Banner1 Banner2
  • National High-Tech Enterprise

    Chinese famous brand

  • International quality and safety certification

    International authoritative certification body certification

LongBian (Shanghai) Electric Manufacturing Co., Ltd.

Founded in January 2011, Long Bian (Shanghai) Electric Manufacturing Co., Ltd. is located in China''s metropolis

More >>
Choose our 6 major advantages

Excellent brand recognition
1.Direct supply channels

Direct supply channels

2.Reliable partner

Reliable partner

3.product quality assurance

product quality assurance

4.Fair product prices

Fair product prices

5.Professional technical support

Professional technical support

6.On the purchase quick and easy

On the purchase quick and easy

7.Multiple product distribution

Multiple product distribution

production line

Professional development of transformer equipment

(Shanghai) Electric Manufacturing Co., Ltd. to meet user requirements, continue to increase investment in research and development, strengthen product safety and quality management, strict compliance with PCCC power quality standards to ensure that products pass rate of 100%, with leading expertise and Impeccable Professional services, safety Long change (Shanghai) Electric Manufacturing Co., Ltd. electrical products highly respected users, best-selling China in various regions, sales ranked the forefront of the power industry. People-oriented, in good faith to win the world, quality first

Join Advantage
More >>
Workshop show
More >>
About Kang Quan


     Shanghai long variable electrical manufacturing Co., Ltd. is located in the Shanghai metropolitan __ Chinese. Is a professional production and sales of integrated enterprise, technical services, product development and maintenance as one of /The company has strong technical force, advanced production equipment, superb technology, complete testing equipment, efficient management philosophy, reliable product quality. The company production of regulator, transformer, reactor, pressure regulator, UPS continuous power supply, three-phase autotransformer starter, high and low voltage complete set, lighting distribution box shell, p.【View Details
More >>
Dealer witness
  • Chinese railway construction Chinese railway construction

    Long change (Shanghai) Electrical Manufacturing Co., Ltd. is a professional production, sales, technical services, product development and maintenance as one of.

  • Midtown group Midtown group

    Change the Dragon (Shanghai) Electric Manufacturing Co., Ltd is our partner, the companys products are complete, the main production of transformer, voltage reg.

More >>
Consumers witness
  • National Power Grid Corp National Power Grid Corp

    Long change electrical adhere to the "quality first", "credibility first" purpose, adhere to the good quality, the spirit of scientific and .

  • Guangxi construction worker Guangxi construction worker

    Very honored to cooperate with dragon change (Shanghai) Electrical Manufacturing Co., ltd.. With strong technical force, advanced production equipment, exquisit.

Healthy living, from water purification
More >>Industry knowledge
Industry knowledge The function of reactor

The common adopted in power system with series reactor reactor and shu.【Detalles

More >>Industry News
Industry News Regulators in the industry in the scope of use

The regulator can be widely used in: Ind.【Detalles

More >>Company News
Company News Autotransformer starter

Autotransformer starter called compensator, is a reduced voltage start.【Detalles

More >>
Ask Pressure regulator classification?
AnsVoltage regulator is divided into: autotransformer, isolation voltage regulator, oil immersed type induction voltage regulator, column type electric pressure regulator thyristor voltage regu.
Message Advisory

Information note: