Ka la 31 Pherekhong, 2019, sebaka sa semolao sa tsamaiso ea Mmuso sa Supervision le tlhahlobo ea lihlahisoa tse 24 tse sa kang tsa kopana le litekanyetso.
Lekhetlong lena, liprofinse tse 20 le libaka tsa boikhathollo li kenyelletsa BIJing, Hebei, Fujian, Shanchoan, Shaanxi, Shanxi, Shaanxi, Shaanxi, Shaanxi, Shaanxi, Shanai Ho hlahlobiloe {{{{}}}}}
Cheke ena ea sebaka e thehiloe ho HG / t 2579-2008 "Colloids" Qetellong, matla a likhohlano, tlhahlobo e thata, ho kenyelletsa liteko tse robeli (ho kenella mocheso
Cheke eo e ne e fumana hore li-batches tse 24 li ne li sa kopane le litlhokahalo tse tloaelehileng, ho ba le tlhatlhobo ea metsi (boima ba moea