3-A 卫生标准公司（3-A SSI）是一家非营利性协会，其成员包括设备制造商、食品加工企业、监管卫生专家及公共卫生领域专业人士。通过数十年的协作，这些机构共同建立了完整的3-A卫生标准体系及3-A公认操作规范（3-A Accepted Practices），该体系现已广泛应用于全球乳制品及食品加工设备与系统领域。

Dixon Sanitary通过3-A第三方验证（Third Party Verification, TPV）项目获得3-A标志认证。该项目要求由独立第三方机构进行专业评估，而非企业自我声明合规，以确保产品在设计、制造及性能等方面均符合相关3-A标准要求。

3-A标准已被美国农业部（USDA）及美国食品药品监督管理局（FDA）认可。

Dixon Sanitary已获得以下3-A认证资质：

3-A Sanitary Standards, Inc. (3-A SSI) is a non-profit association representing equipment manufacturers, processors, regulatory sanitarians and other public health professionals. Through many decades of cooperation, these groups have established a comprehensive inventory of 3-A Sanitary Standards and 3-A Accepted Practices now known around the world for dairy and food processing equipment and systems.

Dixon Sanitary has earned its 3-A symbols through the 3-A Third Party Verification (TPV) program, requiring a professional assessment rather than voluntary compliance, making certain each product conforms in all respects to the published standards. The 3-A Standards are accepted by the USDA and FDA. Dixon Sanitary holds the following 3-A certifications: