Hanyoyin Dubawa
Hanyoyin gwaji don juriyar girgizar zafi da dorewar kwantena gilashi; Hanyar gwaji ta GB/T 4548 da rarrabuwa don juriyar zaizayar ruwa na saman ciki na kwantena gilashi; Iyakokin da aka yarda da su na narkar da gubar, cadmium, arsenic da antimony a cikin kwantena gilashi; 3.1 ƙa'idodi masu inganci don kwalaben gilashi
Gwajin Ƙarfi
Za a yi kwalbar zagaye bisa ga tanadin GB/T 6552. Zaɓi mafi rauni ko ɓangaren da ya taɓa jikin kwalbar don yin tasiri. Ana iya yin gwajin nau'in ta hanyar kwaikwayon karowar samarwa ko gano na'urar a kan injin.
Duba Samfur
Da farko, a ƙididdige adadin fakitin da aka fitar bisa ga kashi 5% na jimillar fakitin da ke cikin wannan rukunin kayayyaki: kashi ɗaya bisa uku na adadin fakitin da ake buƙata an zaɓi su bazuwar daga gaba, tsakiya da baya na kowace mota, kuma kashi 30%-50% na fakitin an zaɓi su bazuwar daga kowace fakitin don duba kamanninsu.
