Does Suzhou Weixin Guoxiang Factory wear dust-free clothes?

Some positions in Suzhou Weixin Guoxiang Factory wear dust-free clothes. Some stations should wear dust-free clothes, but most stations don't wear them. Do not wear dust-free clothes for electrical inspection, PSA, FQC, punching machine, etc. The work place is Guo Xiang, Wuzhong, Suzhou. No recruitment fee, no seizure of personal documents.