Dongguan Henglong Photoelectricity Co., Ltd is a manufacturer developing and marketing flash light to satisfy customers with special requirement. We produce different shapes and materials (borosilicate glass,cerium doped quartz,clear fused quartz) flash tubes for warning light, photographic, stage, mechanical equipment etc. Combining strict quality management system, we supply stable quality and reliable product for customers. Henglong focus on providing good quality product and best service ...