昆山市大公化工厂创建于八十年代初，与上海市日用化学工业研究所、联合生产酯肪酸酯类产品，以及日化、医药和食品行业各类防腐剂产品，专业生产企业。
　　本厂通过ISO9001-2000版国际质量认证，具有一整套严格产品质量管理保证体系，并以优质产品、满意的服务向国内外客户提供安全。本厂不断开发新产品、改进生产工艺、本厂产品质量完全可以取代国外同类产品，酯防酸及防腐剂，在全国各地建成销售网络，并且远销北美欧、东南亚等地区。

DaGong Chemistry factory founded at the begining of 1980, co-work with ShangHai Industry Research Institute to mainly produce fatty acid ester and antispetic for food, medicine etc.
For quality control, DaGong have a system management from the raw material contol to final production and pass the certification of
ISO 9001-2000 to provide qualified production and meet the demand from customer. At the same time, DaGong pay more energy at new production researching and making process improving to confirm the quality can meet the international class.
Perfect Quality and Good Service is the purpose at all of the cooperation, Truth and compliance is the the base at all of the process.