Yes. According to the official website of Qichacha, CSSC Hanguang Technology Co., Ltd. is affiliated to China Shipbuilding Industry Corporation. It was established in 2000 and has 800 employees. It has independent intellectual property rights in optoelectronic material synthesis and OPC drum manufacturing technology, and is professional It is a state-owned enterprise engaged in the R&D and production of OPC drums, toners and organic optoelectronic materials for laser printers, digital copiers, plain paper fax machines and multi-functional all-in-one machines.