www.dhcn.cn Jiangsu Zhongzi Environmental Protection Technology Co., Ltd. is located in Zhengpingji Town, Lijia Town, Wujin District, Changzhou City, Jiangsu Province. It is a technology-based enterprise integrating science, industry and trade.It is mainly engaged in the research, development, production and sales of purification catalysts for various raw gas (oils) in natural gas, petrochemicals, oil refining, ammonia synthesis, methanol and other industries. 2025-06-01