Changzhou City Run Chang Optoelectronics Technology Co., Ltd. was established in November 2014, is located in Changzhou Wujin Hi-tech Development Zone,  No.8 West Lake Road,Jintong International Industrial Park 5B3F, formerly known as Changzhou City Jia Ming Optoelectronics Co., Ltd. Specializing in the production of various specifications ball lens in Optical fiber coupling, micro-ball lenses, infrared and ultraviolet ball lenses silicon germanium selenium arsenic sulfur-based crystal ball lens type, photovoltaic solar energy and aspherical pre-pressure ball lens.