常熟威怡科技有限公司（上海佼航贸易有限公司）

　 Weiyi is a high-tech enterprise specializing in the research, development, production, and sales of sodium carboxymethyl cellulose (CMC) and polyanionic cellulose (PAC) products. With over 20 years of history, the "Weiyi" brand is a well-known trademark in Jiangsu Province.

　　Weiyi covers an area of 64,000 square meters. The first phase of the project, with an investment of 200 million yuan, was put into production in phases in November 2012. The first phase includes three production workshops, each with two production lines, totaling six independent and enclosed production lines. The integration of the DCS automatic control system with traditional production processes enables full automation. The GMP packaging workshop ensures stable product quality, with an annual production capacity of 22,000 tons. Equipped with professional laboratory facilities, Weiyi tests various physicochemical indicators of CMC, as well as microbial and heavy metal content. The company has a comprehensive quality management system, strictly controlling standards to effectively ensure product quality and risk management.
　　The second phase of Weiyi's project, with an investment of 230 million yuan, aims to build an annual production capacity of 30,000 tons of sodium carboxymethyl cellulose and 5,000 tons of compound food additives. Construction began in May 2016 and was completed within three years.
　　The company is committed to researching and producing food-grade and special industrial-grade sodium carboxymethyl cellulose products. It holds multiple invention patents for technological innovations.
　　With a diverse range of products, Weiyi independently develops various products to meet the needs of different application fields, currently offering over 200 varieties.
　　The customer service philosophy is: attentive, sincere, meticulous, and reliable, with prompt responses to provide high-quality services to customers.
　　The company has passed certifications such as ISO9001, ISO22000, KOSHER, and HALAL, obtained the BRC certificate, GMP certification, and passed the SEDEX social responsibility audit.