Anhui Yishuo Electronic Technology Co., Ltd. was established in May 2007 and its headquarters is located in Hefei, Anhui Province, China. The company is a comprehensive enterprise integrating research and development, production and sales, specializing in the manufacturing of automotive relays and high-voltage direct current contactors. We provide global customers with safe, reliable and cost-effective power switch solutions.

Anhui Yisuo Electronic Technology Co., Ltd., referred to as “Yisuo Electronic,” was established in May 2007 in Hefei, Anhui, China. The company is a comprehensive enterprise integrating research and development, manufacturing and sales. Its main products include automotive relays and high voltage DC contactors.
Yisuo focuses on new energy vehicles, power batteries, energy storage, charging piles, engineering vehicles, lithium batteries, automotive wiring harnesses, central control boxes and automotive air-conditioning applications. We provide customers with stable, reliable and cost-effective electrical control components and supporting services.

 Our products are widely used in traditional fuel vehicles, new energy vehicles, charging facilities, photovoltaic and wind power systems, military applications, energy storage systems and power supply base stations. Public website information also confirms that Yisuo specializes in the R&D, production and sales of automotive relays and high voltage DC contactors for these application fields.

Founded in 2007

Clean Workshop

Automated Lines

Annual Capacity

Quality Certified

Yisuo has a 2,500 square meter clean production workshop, five automated production lines and complete inspection and testing equipment. The company’s annual production capacity reaches 15 million pieces.
The high voltage contactor product series is complete, with dozens of specifications available. These products can meet application requirements in new energy vehicles, charging supporting facilities, battery charge and discharge systems, DC voltage power supply control, photovoltaic power generation, wind power generation, energy storage systems, power base stations and military applications. 

2007

The company relocated its Ningbo factory to Hefei Economic Development Zone and started a new journey. Anhui Yisuo was officially established.

2013

The factory focused on internal development and quality improvement. Three automated production lines were introduced, and some manual processes were upgraded to automatic or semi-automatic equipment. Product quality and consistency improved significantly, helping Yisuo become a supplier to domestic vehicle manufacturers and Tier 2 supporting companies.

2019

Yisuo actively developed high voltage DC contactors and low voltage high-current contactors. Products were widely used in charging piles, lithium batteries, energy storage, high voltage equipment, lithium forklifts and other new energy industries.

2025

Yisuo continues to promote company transformation, increase investment in new energy products and accelerate high-quality development.