Changzhou Haolilai Photo-Electricity Scientific and Technical Co., Ltd. has three sub-companies. Changzhou Haolilai Optical Material Co., Ltd, with an annual capacity of 120 million lens blanks, is mainly engaged in the production & sales of optical lens blank for various cameras, microscopes, monitors, mobile phones, videophones, scanners, etc. The company has over 80 advanced manufacturing equipment, such as exterior cutting machines, interior cutting machines, rolling machines, centreless grinding machines, milling machine, etc. The company also has over 10 sets of precise inspection instruments, including striping meter, stress meter, Abbe refractometer, ultraviolet identification lamp, etc. Changzhou Shengkexidi Copper Industry Co., Ltd. is mainly engaged in the production & sales of copper material of DC motor & electrical engineering conductive system. The main equipment contains melting furnace, swage, hot rolling mill, cold-rolling mill, annealing furnace, copper painting machine, composing machine, etc. Changzhou Junzhengke Technology Co., Ltd. is mainly engaged in the production & sales of ITS Intelligent Navigation System, military vehicle drawn system, etc.