Founded in 1979, Nanjing Lishui Electronics Research Institute Co., Ltd. is a frontier technology enterprise dedicated to providing the best solution for e-bikes which can meet quality assurance system requirements such as ISO9000,EN 15194:2017/EN ISO 13849-1:2015 and UL 2849.

NO.1 Market share of E-scooter controller in the U.S., Serving over 1900 clients worldwide,Over 14 million controllers sold.

In 1998, the first-generation brush-less motor controller for e-bike was developed, using Motorola MC33035 as the control chip.

In 2005, Lishui developed a programmable brush-less motor controller with Cypress CY8C24423 as the micro-controller. It had the advantages of low noise, high efficiency, and flexible configuration.

In 2011, the company successfully developed a sine wave brush-less motor controller using STM32103C6T6 as the main micro-controller. The cumulative sales volume of Lishui controller ranked first in the European and American markets.

In 2017, a controller that complies with Japan's JIS D9115-2017 standard was successfully developed. The assist ratio curve between manpower and electricity perfectly complies with Japanese testing requirements.

In 2017, a controller that complies with Japan's JIS D9115-2017 standard was successfully developed. The assist ratio curve between manpower and electricity perfectly complies with Japanese testing requirements.

In 2019, a controller that complies with the EU's latest safety standards EN15194:2017 and ISO-13949 was successfully developed and was certified by TUV Süd and SGS.

In 2022, the controller for the North American market that complies with the US UL-2849 standard was successfully developed and passed the US UL certification.