Hongkong HJS electronic Co., Limited is a company specialized in the design, manufacture and export of power supply. Our company mainly deals in switching power supply, CCTV power supply and power adapter. Our products are widely used in industrial automatization, medical treatment instrument, intellectualized surveillance, home appliances (such as digital picture frame, portable DVD, LCD and audio), CCTV system (such as camera, monitor, LCD), communication products (such as telephone, HUB, Router), and other fields. After several years of development, with hard working of the whole company, with joint efforts of all kinds of updated technologies, our business has been developing fast. We adhere to the principle of "Reputation First, Customers Foremost" to provide the best service to our customers.

We have high-quality talents and advanced equipments, carry out strict quality control, and use good quality materials to make every power supply with high quality. Some of our power supplies have CE, UL and SGS certificates. Due to special requirement of CCTV power supply, the wave and noise of all our CCTV power supplies are lower than national standard; wave and noise of 150W down power supply are lower than 30mV; and wave and noise of 300W down power supply are lower than 50mV, making your video picture more clear. Now, our main products, CCTV power supplies, are widely used in bank, school, factory, pub, airport, station, supermarket, hospital, and other fields. Our products sell well to all over the world. We sincerely hope to cooperate with you to create a Win-Win trade relationship.