Nanjing Green Helper Enviro Protection Tech Co., Ltd. Is a top leading manufacturer and supplier focusing on high calcium quicklime and high purity calcium hydroxide. We locate in Nanjing Chemical Industry Park, Jiangsu province, China and own a 48 thousand metric tons manufacturing capacity of high purity calcium hydroxide per year.
We passed ISO9001 and ISO22000 quality management system certification.

Our products can be used in a variety of fields, such as food(food additive), drinking water, agriculture& forestry, water paint, enviromental protection, industry, construction and so on. For food grade calcium hydroxide, we have been approved by Jiangsu Food and Drug Administration and Center for Disease Control and Prevention of Jiangsu Province, China. And it can also meet the requirments of FCC-9, USP, ACS-10, JP, BP, E526, DIN EN 12485 for the treatment of water for human consumption and those of the Drinking Water Ordinance.