Long Janueri 31, 2019, ofisel websait bilong Stet Edministresen bilong Maket Supavisen i toksave long ol risal bilong nesenel supavisen na sekim kwaliti bilong ol raba siling prodak. I gat 24 lain prodak i no inapim ol standet.
This time, a total of 20 provinces and autonomous regions including Beijing, Hebei, Shanxi, Liaoning, Heilongjiang, Shanghai, Jiangsu, Zhejiang, Anhui, Fujian, Shandong, Hubei, Hunan, Guangdong, Guangxi, Chongqing, Sichuan, Guizhou, Shaanxi, and Gansu were surveyed. 172 Ol lain bilong raba siling prodak ol 159 entaprais i kamapim long munisipaliti i stap stret aninit long sentral gavman.
Dispela spot sek i stap long HG/T 2579-2008 "O-seip rab rab sil ring samting bilong komon haidrolik sistem", HG/T {2} "Koliloid bilong raba i gat kol maining komprehensif mekanisasen ikwipmen", HG/T {3} Rotating shaft lip sil raba samting" na ol narapela standet i laikim, hat bilong 10-pela taim, hat bilong 10 Ol i bin glasim ol samting bilong mekim tes bilong raba i kamap lapun (em senis bilong hat, stretim) bilong ol raba sil prodak 8-pela samting olsem wara bilong daunim wara bilong daunim hevi, senis bilong senis bilong volium) na 'brittleness' temperaja long sait bilong mak bilong senis bilong strong na mak bilong senis long longpela bilong en long taim bilong bruk.
Spot sek i painim olsem 24 lain bilong ol prodak i no inapim ol standet rikwaemen, we i gat hatnes, strong bilong strong, kompresen set, hot ea lapun tes (hatpela senis, elongasen long brek reit), likid resistens tes (hatpela senis, volium) Reit bilong senis), brittle tempereja aitm.