Shijiazhuang Xingzhong Water Sci & Tech Co. Ltd. is based in China and lists water treatment products on Global Trade Plaza. The company offers anaerobic granular sludge, a microbial biomass used to start up anaerobic reactors for high-concentration organic wastewater treatment. It also supplies an ammonia nitrogen remover designed to catalyze and decompose ammonia nitrogen in various types of water, converting it into harmless gas. The anaerobic granular sludge is described as an aggregate of high-activity anaerobic bacteria with self-balancing performance, good settling velocity, and methanogenic activity. The ammonia nitrogen remover is presented as a specialized agent for sewage and wastewater applications where ammonia nitrogen reduction is required.