Zhejiang Nanhua Biotechnology Co., Ltd. (formerly Haining Changsheng Desiccant Factory) was established in 2004 and is located in Xieqiao Town, Haining City. The company focuses on the research and development, production and sales of moisture-proof, mildew-proof, deodorizing and other series of products. Its main products include silica gel desiccant, calcium chloride desiccant, mineral soil desiccant, etc., which are widely used in electronics, food, medicine and other industries. The company has passed ISO9001:2015 quality management system certification, has 24 patents, and has won multiple honorary titles.