In order to understand the quality of 稻米加工厂 in China, the National Grain and Oil Processing Machinery Quality Supervision and Inspection Center has carried out the operation of 30 rice mill users in Guangxi, Hunan, Shangdong, Sichuan and Liaoning provinces. The quality and safety survey of 30 稻米碾米机 users is as follows:
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 稻米碾米机 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。