In & Out Electronic Corp. is a Taiwan-funded enterprise. Head quarter in Taipei, Taiwan, accompany national high-tech manufacturer factory in Ningbo, China. In & Out build good relationships and services globally in America, Europe, Australia and Asia. In the world of fast-update, fast-develop supply and demand of electronic parts, automotive, industrial and telecommunication products, In & Out always uphold the highest standard, take our quality, services and environmental responsibilities at first consideration.

We only design and manufacture In & Out Relay comply with highest standard:

  • automotive
  • general-purpose relays
  • telecom
  • air conditioner
  • high current power
  • latching
  • slim
  • motor
  • industrial
  • custom

Read more:


Ningbo Forward Relays Corp. Ltd is a company that specializes in R&D and mass production of electromagnetic relays. Ningbo Forward Relays Corp. is present on the market for more than 30 years and has become one of the largest bases for relay R&D and production in China. It has over fifty automatic production lines and the annual output is over 200 million pieces. Ningbo Forward Relay Corp. Ltd is rewarded as the National Key Hi-tech enterprise and has ranked in China Top 100 Electronic Component Enterprise for the last 10 years.

The company has the full set of international quality management systems and has been successively certified with ISO9001, ITAF16949 and ISO14001 quality certifications.


  • Signal relays
  • Industrial relays
  • General-purpose relays
  • Automotive relays
  • Latching relayss

Massuse Electric Ltd. is a company with the head office in Hong Kong. It specializes in developing and manufacturing of general relays, safety relays, hermetically sealed and solid relays. At present, Massuse Electric has a factory area of 20,000 sq. meters and have more than 1,000 employees. It mainly produces more than 40 series of relays with an annual production capacity of 50 million pieces exported worldwide.


GOODSKY is a professional Electromagnetic Relay manufacturer founded in 1989 in Taiwan with in-house engineering team that has the capability to design and make customization fully automatic production equipment to fulfil niche market, and hence to produce high efficiency and low power consumption green product. Goodsky offers general, automotive, signal and plug-in relays.


Relpol S.A. is a well-known European relay manufacturer. The company was founded in 1958. Relpol S.A. products are used in the areas of industrial and energy automation, power electronics, industrial and consumer electronics, telecommunications, household appliances and others. Relpol strong points are experience, quality and long-term satisfied customers worldwide.

If you have any queries, please conact us by email