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Dear customers, Happy New Year! Happy Yuanxiao! Our company started construction normally on 21/02/2024, and all work is running as usual. In the year 2024, full of hope, opportunities, and challenges, Johsun Tec will continue to focus on products such as Voltage Stabilizers, Transformers, Voltage Regulators, Battery Chargers, and Inverters. We will adhere to the […]

Dear Valued Customers, We are thrilled to announce a significant leap forward in our commitment to quality and excellence. Johsun Tec has successfully obtained the essential IC certification required for Canadian imports, specifically for our DT Series Transformers and ST Series Transformers. Significance of IC Certification The IC certification is not just a regulatory necessity; […]

The function of an Autotransformer The main function of an Autotransformer is to increase or decrease voltage, by changing the input voltage to the desired output voltage, so it is also called a Step Up & Down Transformer. This type of transformer utilizes the characteristic of sharing a set of coils for both output and […]

In daily life, we will choose refrigerators, hair dryers, induction cookers, water heaters and other home appliances that suit us. Some products may be produced in China, Japan, Europe or the United States. And because the voltage in their countries is different from ours, for example, the voltage in China and Europe is 220V, the […]

With the increasing demand for electricity in modern society and the continuous development of modern industry, voltage fluctuations and instability have brought many troubles to people’s lives and work, and the demand for stable voltage in the power system is increasing. In order to solve this problem, the SBW series high-precision three-phase high-power compensation fully […]

With the growing demand for electricity in modern society and the continuous development of modern industry, the fluctuation and instability of voltage have brought a lot of trouble to people’s lives and work, and the power system has an increasingly high demand for stable voltage. In order to solve this problem, the SBW series of […]