Huizhou HKW Electronic Technology Co., Ltd. specializes in the R&D, manufacturing and sales of various thermal controllers, thermal switches, temperature switches, thermal protectors, thermal fuses, temperature sensors, temperature-humidity sensors, reed switches and insulating sleeves, with its principal R&D staff being senior engineers in China's thermal-protector industry. The company has teams for in-house R&D of temperature controllers and of fully automatic production equipment, holds the high-tech enterprise title and more than ten patents, is certified to ISO 9001, and its products have passed China CQC, US UL, EU TUV, Korea KC and other safety certifications as well as CE and IEC, with RoHS and REACH test certificates. Its products are widely used for overcurrent and over-temperature safety protection in battery packs, home appliances, motors, transformers, lighting, power tools and electric heating appliances, and are exported worldwide.