Aoasis AOT-V01/02 wide range voltage monitoring automation relay time relay single phase under overload voltage protection relay

Zhejiang Zhongao Electric Co., Ltd. was founded in 1995. We are an all-embracing style developing enterprise, integrating research, design, manufacturing, shipping and storing and marketing. We are consistently taking efforts to meet different demands from society; supplying customers with technology-advanced and cost-competitive contactors, thermal overload relays, electromagnetic starters and more. Through more than 20 years' hard work, our products of ZHONGAO and SHIHMAO ELECTRIC brands are enjoying a high reputation in market and among competitors in the same line. We are very proud in winning customers' trust and high opinion.

In the past 20 years, sticking to the core ideology of "Pragmatic, Innovative, Honest, customer-oriented", we successfully maintained the core competitiveness in the market by constantly recruiting technical talents in all disciplines, and increasing the investment in automation devices, the upgrading of our administrative and service system and the innovation and improvement of technology.

Quality is the basis for the development of a company. We never neglect the monitoring of each stage in procession. From the procession of components to the storage and shipping, all the key operations are under our strict and highly efficient control.

With the development and improvement of our company, our company has gained ISO9001, CCC, CE, and CB certificates. Most of our products have obtained patents. It is the confirmation of the efforts of ZHONGAO PEOPLE and is the cornerstone for the future development of our company as well.

Today ZHONGAO has a sales network covering more than 10 provinces along the coast. Besides, we have partners in Southeast Asia, the Middle East, South Africa, and Europe.

There is still a long way to go. We will make our constant efforts as we did in the past years.