Zhejiang Great Electrical Co., Ltd.

About Us

A Professional Latching Relay Manufacturer

Zhejiang Great Electrical Co., Ltd.(it can be abbreviated as GRT or Great Relay), is located in Yaozhuang Town, Jiashan County, Zhejiang Province, the core demonstration area of the Yangtze River Delta. It is a national high-tech enterprise specializing in the research and development, production and sales of latching relays, miniature current transformers and manganese copper shunts.

GRT passed ISO9001-2015 quality system, ISO14001:2015 environmental management system and OHSAS18001:2007 occupational health and safety management system certifications, and its main products have passed CQC, VDE, TUV, UL, ROHS and other product certifications. Since its establishment in 2003, we have a number of inventions and utility model patents for latching relays and current transformers. It is one of the drafters of industry standards JB/T10923 "Latching Relays for Electronic Energy Meters", JB/T10665 "Miniature Current Transformers for Electric Energy Meters" and JB/T10667 "Miniature Voltage Transformer for Electric Energy Meter" .

GRT has workshops of nearly 38,000 square meters. It has multiple automated production lines, as well as various testing and inspection equipment to meet the performance of latching relays for electric energy meters. It produces more than 50 series of products. Hundreds of specifications, with an annual output of over 25 million relays. GRT’s products are sold all over the country, Southeast Asia, Europe and other more than a dozen countries and regions, and has established long-term and stable cooperative relations with first-class electric energy meter manufacturers at home and abroad. Through unremitting efforts, the GRT has successfully entered the international high-end market of the industry, and has a high reputation and influence in the industry.

In the increasingly competitive global market, GRT adheres to the principle of "people-oriented, honesty and trustworthiness" to create a win-win situation with all partners. Adhering to the concept of "technological innovation and sustainable management", with a deep understanding of the development of the electric meter industry, we will wholeheartedly serve the vast number of customers at home and abroad with a quick response, high-quality products and cost-effective competitiveness, and return to society and colleagues with the heart of gratitude!


Strong R&D capability

We have a strong R&D team,and we can develop and produce products according to the drawings or samples the customers offered.

Efficient supply mechanism

We have two our own factory.So we can offer quality products with suitable price directly.

Strict quality control

We have our own testing lab and advanced and complete inspection equipment,which can ensure the quality of the products.

Perfect after-sales service

We are near to Shanghai and Ningbo Port,it is very convenient and efficient to ship goods to any other countries.

Company Culture
Company's mission
Committed to continuous innovation, promote the technological progress of the industry, Repay employees and society with excellent results.
Company's vision
Become a leading relay provider at home and abroad, creating a century-old national brand!
Core values
Integrity, respect, unity and win-win