为了了解中国稻米加工厂的质量情况，国家粮油加工机械质量监督检验中心对广西、湖南、山东、四川和辽宁省的30家稻米加工厂用户进行了调查。30家稻米加工机用户的质量和安全调查如下：
1. 使用培训方式。只有3名用户表示在使用前接受了公司的培训，占调查总数的10%；其余用户接受了培训。
2. Security protection. Only two user rice mill safety guards were complete, accounting for 6.7% of the total surveyed; 70% of users removed the safety guards, and 23.3% of the users did not have safety guards when they purchased the machine.
3. Safety signs. Only one user with safety signs meeting the standard requirements accounted for 3.3% of the total surveyed; 23.3% of the users reported that the safety signs of the rice milling machine were incomplete or unclear, and 73.3% of the users had no safety signs on the rice mill.
4. 稻米质量的处理。有8名用户的稻米质量良好，占调查总数的26.7%；73.3%的用户存在稻米中含有较多谷粒和米粒的质量问题。
5. 零部件质量。15名用户提出零部件质量问题，占调查总数的50%。其中，筛网和橡胶辊等关键部件的质量差和使用寿命短的问题尤为突出。