Dongguan Longkey Electronic Co., Ltd.

Dongguan Longkey Electronic Co., Ltd. was established in the fall of 1985 to specialize in the PTC thermistor and component industry. We currently produce 80 million pieces of PTC thermistors with different specifications for various purposes, and 10 million sets of PTC components annually. Moreover, our PTC components have UL, TUV, and CQC certification.

Our company possesses a rich technical force and material resources, enabling us to provide our clients with high quality products. We cooperate closely with Japanese, American, and domestic PTC experts to stay on top of the latest developments and trends in the PTC industry.

"quality first, reputation highest" is the management rule that longkey follows from the beginning to the end. Our products sell well all over the country, and export to foreign markets such as Southeast Asia, Europe, America, Africa etc. about ten country and area. We provide high quality products to the customers in every field with excellent service.