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We select high-purity oxygen-free copper and other highly conductive materials, together with flame-retardant PA nylon, to ensure electrical performance and durability from the source.

With the help of professional testing equipment, we simulate real-life scenarios such as short-circuit and overload, and accurately monitor core indicators such as arc extinguishing efficiency, short-circuit protection response and thermal stability. Each test data is fully recorded, allowing customers to visually witness the reliable quality of each circuit breaker.