Hubei Dinglong Co., Ltd. engages in printing and copying general consumables business and optoelectronic semiconductor process materials business. Its products include color polymerization toners, consumable chips and developer rollers, and toner cartridges. The company was founded by Shuang Quan Zhu and Shun Quan Zhu on July 11, 2000 and is headquartered in Wuhan, China.