Which teaching clip is the most popular in China among customers in 2021?

This blue large three-jaw clip is the most produced style in our factory in 2021.

Which teaching clip is the most popular in China among customers in 2021?-MasterLi, Kiwanda cha China, muuzaji, Mtengenezaji

Which teaching clip is the most popular in China among customers in 2021?-MasterLi, Kiwanda cha China, muuzaji, Mtengenezaji