They use the third-generation reagents, which are usually tested except weekends.
If you test it, you can test it anytime.
They all use the same reagent.
I found the switchboard by phone. You can call the dermatologist directly and he will give you the number.
Tel: 087 1-5324888 (switchboard) and 5324525 (medical department)
Address: No.295 Xichang Road, Kunming, Yunnan.