获奖证书、认证证书、合格率证明、用户反映、生产工艺、内控质量标准、检测方法及对产品最终质量有影响的有关文件资料

• "Certificates of awards, letters of confirmation, certificates of qualification rates, users' feedback, production technology, quality standards for internal control, testing methods, and other data and documents bearing on the ultimate quality of the products"