Shenzhen 3km link Technology Co., Ltd. is committed to R&D, production, sales, automatic and intelligent technology of slip ring.

Integrated the advantages of military product technology R&D, automation and intelligent production processes, quality control experience in optical communications, microwave devices, and laser technology in the past 20 years. 

3KM is a pioneer of the slip ring industry with a professional background in laser technology, optical communications, and military devices, and promote the development of automation and intelligence of slip ring industry.