HEP Tech is a HID ballast manufacturer and was founded in 2002. We have accumulated rich experiences in HPS ballast and HID ballast 35w. We focus on manufacturing and service fields, and are committed to research and development of cutting-edge technology products. Keep an open mind to explore technologies from all over the world to develop innovative products. HEP Tech is a professional HID ballast manufacturer built up by a group of expert engineers and management for HPS ballast and HID ballast 35w.