Zhangjiagang Eastone Science & Technology Co., Ltd. is located in Zhangjiagang City of Jiangsu Province. Our company enjoys convenient transportation. We are adjacent to Suzhou City and Wuxi City of Jiangsu Province and Shanghai City.

Zhangjiagang Sitong Electronic Equipment Factory was originally established in 1990 and renamed as the Zhangjiagang Eastone Science & Technology Co., Ltd. in 2001. We have researched and developed the electronic ballast of high strength gas electric light for automobile with the cooperation of the Fudan University in 2001.

As a professional manufacturer of HID products, we adopt the most advanced technology to provide ballasts for HID xenon kits. Our product ranges cover all kinds of automobile HID conversion kits and HID bulbs with different color temperatures from 4,300K to 12,000K. Our products are manufactured according to the standards of the Quality Surveillance Inspection Center of the National Automobile in 2004 and they also have obtained the European E-Mark certificate. We are one of the largest HID conversion kit suppliers in China.

Our company specializes in manufacturing power supply products. We introduce advanced power supply products and technology from abroad.
Based on advanced technology, we have developed solid-state intermediates, ultrasonic and high frequency power supplies and automated transistor AC voltage regulators. Our products are listed on the catalog of the Innovation Fund for Small Technology-Based Firms and the National Torch Program funded by the Ministry of Science and Technology of China. We have obtained the ISO9001 certificate. At present, our ISO/TS16949:2002 quality system runs smoothly.

We are always looking forward to cooperating with customers from all over the world. If you are interested in any of our products, please contact us for more details.