How Is JSH Classified?
Culture Media, Non-Selective And Differential is FDA product code JSH, Class 1, 21 CFR 866.2320.
What Does It Take to Sell It in the United States?
It is exempt from premarket notification: the manufacturer registers its establishment and lists the device, and no 510(k) is needed before it is sold in the United States.
What Do the Recalls Say?
The FDA has recorded 2 recalls under this product code since 2017. None was by a company in China. The root cause the FDA records most often is Material/Component Contamination (1).
A recall is a fact about one product and its maker, not a grade for every manufacturer of the type.