Nanjing Green Helper Enviro Protection Tech Co., Ltd is a top leading manufacturer and supplier focusing on high calcium quicklime and high putiry calcium hydroxide. We located in Nanjing Chemical Industry Park, Jiangsu, China. and we own a 48,000 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 variety of fields, such as food additive, dringking water, agriculture and forestry, as well as water panting, enviromental protection,  industry, construction and so on. For food grade calcium hydroxide, we have benn approved by Jiangsu Food and Drug Administration and Center for Disease Control and Prevention of Jiangsu Province, China. and it can also meet the requirements of FCC-9, USP, ACS-10, JP, BP, E526, DIN EN12485 for the treatment of water for human consumption and those of the Drinking Water Ordinance.