Babban kujera ergonomic YG-JNS-809: S-dimbin bionic curve na kujera ta baya, ƙira mai raɗaɗi mai ƙarfi, ya dace da 4 curvatures na kashin bayan ɗan adam, yana kula da tunanin lafiya na kashin baya, a kimiyance yana jagorantar ayyukan kashin baya, cikin nutsuwa. yana goyon bayan baya da kafadu, kuma yana rungumar ...
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