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About Us

Weshine Electric Manufacturing Co., Ltd. Founded in 2013 with a registered capital of 80.5 million, is a modern high-tech enterprise specializing in the research and development, production of Transformer testers, Hipot testers, Insulation testers, sales and service of power system automation devices and test instruments.
The enterprise covers an area of 1200 square meters, including 800 square meters of production workshop. The company now has 98 employees, including 30 engineering and technical personnel and 4 safety supervisors in the production process.

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Featured Products

  • Winding Resistance Test of Transformer

    Winding Resistance Test of Transformer

    Weshine is a professional electrical testing instrument designed for accurate transformer winding resistance testing. Featuring a 10A test current output, wide resistance measurement range, and reliable measurement accuracy, the Winding Resistance Test of Transformer is suitable for testing transformer windings, motor windings, shunt reactors, low-resistance connections, and other electrical components.

  • Transformer Turns Ratio Meter

    Transformer Turns Ratio Meter

    Weshine® invented the Turns Ratio Tester for testing Transformer Turns Ratio Meter with CE certificate, high quality and accuracy, Invented and produced according to national standards, complete electric testing solution available. Contact us for more details of Turns Ratio Tester for testing Transformer Turns Ratio Meter from Weshine!

  • Open Circuit Test of Transformer

    Open Circuit Test of Transformer

    Weshine® Open Circuit Test of Transformer,Transformer LV Short-circuit Impedance Tester is not provided with an external voltage regulator and adopts the primary connection mode. It begins the three-phase testing and calculates impedance error percentage automatically when the parameter is entered and provides intuitive results. This is a rapid tester which detects winding deformation of transformers on site.

  • Load Test on Single Phase Transformer

    Load Test on Single Phase Transformer

    Load Test on Single Phase Transformer,Weshine® Transformer LV Short-circuit Impedance Tester is not provided with an external voltage regulator and adopts the primary connection mode. It begins the three-phase testing and calculates impedance error percentage automatically when the parameter is entered and provides intuitive results. This is a rapid tester which detects winding deformation of transformers on site.

  • Power Factor Test Set

    Power Factor Test Set

    Weshine® Transformer automatic anti-interference precision dielectric loss tester for Weshine® Power Factor Test Set with CE certificate, high quality and accrucy, Invented and produced according to national standards, complete electric testing solution available. Contact us for more details of Winding Resistance Test of Transformer from Weshine!

  • Tan Delta Value of Power Transformer

    Tan Delta Value of Power Transformer

    Transformer automatic anti-interference precision dielectric loss tester for Weshine® Tan Delta Value of Power Transformer with CE certificate, high quality and accrucy, Invented and produced according to national standards, complete electric testing solution available. Contact us for more details of Winding Resistance Test of Transformer from Weshine!

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New Products

PD-free AC Withstand Voltage Test System

PD-free AC Withstand Voltage Test System

Weshine, as a professional Chinese manufacturer, supplier and factory of high-voltage testing equipment, produced this PD-free AC Withstand Voltage Test System delivers premium testing capabilities, supporting AC voltage endurance trials and partial discharge detection for transformers, switch cabinets, GIS devices, insulators, power cables, bushings and a full range of other high-voltage electrical apparatus.

Partial Discharge Free AC Withstand Voltage Test System

Partial Discharge Free AC Withstand Voltage Test System

Buy quality Partial Discharge Free AC Withstand Voltage Test System from leading China manufacturer Weshine®. It is a high-performance testing solution designed for AC withstand voltage testing and partial discharge measurement of transformers, switchgear, GIS, insulators, cables, bushings, and other high-voltage electrical equipment. Industry buyers may send inquiries and place bulk procurement orders for stable laboratory and factory testing demands.

100kV Partial Discharge Free AC Hipot Test System

100kV Partial Discharge Free AC Hipot Test System

100kV Partial Discharge Free AC Hipot Test System serves power frequency withstand voltage and partial discharge tests for high-voltage equipment.Adopting SF6 gas-insulated transformers, it provides steady 100kV output with overall partial discharge ≤5pC.Equipped with auto voltage regulation, reactive power compensation, smart control and full safety protection, this unit fits power grids, factories, research labs and university high-voltage test rooms.

Motor Winding Resistance Test

Motor Winding Resistance Test

Motor Winding Resistance Test forWeshine® Winding Resistance Meter with CE certificate, high quality and accrucy, Invented and produced according to national standards, complete electric testing solution available. Contact us for more details of Winding Resistance Meter from Weshine!

Winding Resistance Test

Winding Resistance Test

10 A Transformer Resistance Tester for Weshine® Motor Winding Resistance Test with CE certificate, high quality and accrucy, Invented and produced according to national standards, complete electric testing solution available. Contact us for more details of Motor Winding Resistance Test from Weshine!

Current Transformer Turns Ratio

Current Transformer Turns Ratio

Weshine® invented the Turns Ratio Tester for testing Current Transformer Turns Ratio with CE certificate, high quality and accuracy, Invented and produced according to national standards, complete electric testing solution available. Contact us for more details of Turns Ratio Tester for testing Current Transformer Turns Ratio from Weshine!

No Load Test of Transformer

No Load Test of Transformer

No Load Test of Transformer,Weshine® Transformer LV Short-circuit Impedance Tester is not provided with an external voltage regulator and adopts the primary connection mode. It begins the three-phase testing and calculates impedance error percentage automatically when the parameter is entered and provides intuitive results. This is a rapid tester which detects winding deformation of transformers on site.

Tan Delta Test of Transformer

Tan Delta Test of Transformer

Transformer automatic anti-interference precision dielectric loss tester for Weshine® Tan Delta Test of Transformer with CE certificate, high quality and accrucy, Invented and produced according to national standards, complete electric testing solution available. Contact us for more details of Winding Resistance Test of Transformer from Weshine!

News

  • Weshine Electric To Exhibit At Middle East Energy 2026 In Dubai

    Come meet the Weshine Electric team at Booth H2.E42 during Middle East Energy 2026 in Dubai, Sep 0103. View our practical high-voltage test instruments for utilities, substations and renewable energy projects.

  • What is the purpose of the motor winding resistance test?

    The main purpose of the motor winding resistance test is to ensure the normal operation and safety of the motor. This test checks whether the electrical connection of the winding is good by measuring the resistance value of the winding inside the motor.

  • Digital high voltage insulation resistance tester

    Digital high voltage insulation resistance tester performance characteristics

  • How to judge transformer fault casting by transformer oil

    Common faults that can easily occur in transformers can be divided into two categories: common faults for charging and common faults for heat. From the development process

  • Transformer DC resistance tester maintenance skills

    According to the division of labor of the management personnel in Taiwan, in addition to regular transformer work.

  • Common Problems In Loop Resistance Tester Maintenance And Testing

    Learn how to maintain a loop resistance tester and identify common field testing problems, including wiring faults, contact oxidation, electromagnetic interference, and abnormal readings. It presents Weshine GDHL‑200A/100A loop resistance tester, assisting power contractors and purchasers to obtain repeatable, trustworthy test data for substation maintenance tasks.

  • Causes Of Partial Discharge In High Voltage Switchgear

    Partial discharge (PD) is a hidden high-voltage switchgear fault that causes insulation degradation, unplanned downtime and costly power system failures. Following IEC 60270 and IEC 62271 standards, this article analyzes common PD causes and professional testing specifications. It introduces the factory-calibrated Weshine GDJF-2007 PD tester. Featuring high precision and strong anti-interference performance, it delivers reliable early insulation diagnosis, helping global power buyers reduce maintenance risks and ensure stable equipment operation.

  • Measurement Methods Of High Voltage Generator

    We lay out practical DC high‑voltage generator measurement methods for power‑equipment insulation tests. We address shielded microammeter use, zinc‑oxide arrester leakage‑current testing, surface‑leakage control and safe discharge steps for different‑capacitance equipment. Citing IEC and OSHA standards, Weshine Electric provides this guidance as a technical reference for qualified power‑testing professionals.

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