About Tranyoo Supply, Liyi Technology and Electrical Equipments

Tranyoo Supply is a sales company of Liyi Technology, which is fully responsible for the development and sales of overseas markets. Zhejiang Liyi Technology is located in  Xixi Jinzuo, adjacent to the national wetland park "Xixi Wetland", in the core area of Hangzhou Future Sci-Tech City (Haichuang Park) — one of the four future sci-tech cities in China — with the beautiful West Lake in the vicinity. Surrounded by Taobao City and Haigang City, it is just a stone's throw away from Creative Station of Metro Line 5. This area, integrating the five core concepts of "innovation, openness, people-oriented, low-carbon and symbiosis", is a region with the most intensive talents, the most active innovation activities and the richest innovation achievements.


Our company specializes in the research, development and production of a series of products, including intelligent control devices for switchgears, integrated switch state indicators, multifunctional power meters, digital display current/voltage meters, intelligent temperature and humidity controllers, online temperature measuring devices for electrical contacts, in-cabinet dehumidifiers, live line indicators, power quality monitors, and power energy management systems. These products feature novel appearance, exquisite craftsmanship, advanced functions, strong stability and high precision.

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Why Choose Us

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Technology Leads, Innovation Foundations

As a nationally certified high-tech enterprise, the company has consistently intensified its R&D investments, securing 19 patents, 12 software copyrights, and 3 registered trademarks. This has enabled the formation of a comprehensive technology matrix covering full-scenario applications such as online temperature monitoring, intelligent control, switch status detection, and power quality analysis. Its core product portfolio includes multifunctional power meters, intelligent temperature-humidity controllers, and online electrical contact temperature monitoring devices, renowned for their "high precision, robust stability, and extended service life." These solutions have been widely adopted across eight major industries including power, metallurgy, coal mining, petrochemicals, and transportation, serving benchmark clients such as State Grid Corporation of China and China Southern Power Grid, with a continuously expanding market share.

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Quality First, Service Wins

The company strictly adheres to the ISO9001 quality management system, implementing end-to-end control across the entire production cycle—from component selection to final product delivery. By utilizing premium components from global Tier-1 suppliers, we ensure zero-failure operation of our products. Complementing this, our "7×24 Rapid Response" service framework leverages a nationwide network of 30+ service centers and an AI-powered remote diagnostics platform to deliver turnkey solutions spanning system design, installation commissioning, and lifecycle maintenance. This commitment has sustained a customer satisfaction rate exceeding 98% for three consecutive years.

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Our Team

Guided by the philosophy of "Respecting Talent, Nurturing Growth, and Empowering Achievement", the company has assembled a 100-strong expert team led by authorities in power electronics, automation control, and IoT technologies. With 100% bachelor's degree or higher qualifications and core R&D members averaging 8+ years of industry expertise, the team represents a fusion of academic rigor and practical innovation. Leveraging the policy advantages of Hangzhou Future Sci-Tech City's "Talent Special Zone", we forge strategic R&D partnerships with Zhejiang University, Hangzhou Dianzi University, and other top institutions, creating a sustainable innovation ecosystem.

Microcomputer-based Integrated Protection System

Core Functions​


It is equipped with multiple electrical quantity protections such as overcurrent, overvoltage, undervoltage, short - circuit and grounding protection, as well as non - electrical quantity protections like heavy gas tripping. It can collect power parameters in real - time, support remote control, and realize information interaction with the background system and automated management through various communication interfaces.​




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Hangzhou Yuhang Substation

Widespread Intelligent Control Devices & Multifunction Meter Industry Application

Guangxi 220KV Yuanjiang Station

Hangzhou Guanlan 220 kV power substation




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Hainan Yingli Power Plant

Bolivia Steel Rolling High Line Project

Zhangjiakou 220 kV Saibei Substation

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Contact information

E-mail:Bonniewang668@gmail.com

              Bonniewang@tranyoosupply.com