Welcome to Xiamen STF Technology Co., Ltd.
Engineered Power Components. Reliable Global Supply.
Engineering & Custom Design
Application-based design support for your project.
Flexible Manufacturing
From prototypes and small batches to stable volume production.
Quality-Controlled Delivery
Production follow-up, QC throughout the order process.
Qualified Global Sourcing
Access to verified supply-chain partners.
Popular Products
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AC current transducer
AC Current Transducer -
AC Leakage Current Sensor
AC Leakage Current Sensor -
Clamp Type Current Transformer
Clamp Type Current Transformer
Custom Power Components Designed for Your Application!
An engineering-led manufacturer and sourcing partner for power conversion, magnetic components and electrical measurement.
Our Categories

Clamp Type Current Transformer

Split Core Current Transformer

Residual Current Transformer

Hall Effect Current Transducer
Your Premier Destination for All Measuring Components.
Integrated manufacturing and sourcing solutions for power electronics, magnetic components and electrical measurement.
99%
Customer Satisfaction
50+
Markets Sold
What We Offer
Current Sensing Products
A broad portfolio of split-core current transformers, residual current transformers, Hall-effect sensors, Rogowski coils and current transducers for energy monitoring, electrical protection, industrial control and power-electronics applications.
Application-Specific Engineering
Engineering support from product selection and specification review to customized electrical performance, mechanical design, output configuration and sample development—helping customers integrate the right sensing solution into their systems.
Sourcing & Global Supply
Integrated manufacturing, qualified sourcing and coordinated supply-chain services for both standard and customized products. STF supports supplier management, quality control, flexible order quantities and dependable international delivery.
What Our Customers Say
Discover the reasons why people loves us and become your go-to partner.
“STF understood our technical requirements quickly and provided a customized transformer solution that matched our electrical and dimensional specifications. The samples were delivered as scheduled, and communication throughout the project was clear and efficient.”
Engineering Manager, Industrial Equipment Manufacturer
“We have been impressed by STF’s consistent product quality and reliable delivery performance. Their team responds promptly to technical questions and keeps us informed throughout production, making them a dependable long-term supplier.”
Purchasing Manager, Power Electronics Company
“STF helped us source several complementary electrical components through one point of contact. Their engineering knowledge, supplier coordination and quality control significantly simplified our purchasing process and shortened the project lead time.”
Supply Chain Manager, Energy Management Company



