I-Window and Door Rollers: Umhlahlandlela Wokufaka Nokushintsha I-Window and door rollers, ezivame ukubizwa ngokuthi 门窗滑轮 ngesiShayina, zidlala indima ebalulekile ekuqinisekiseni ukusebenza kahle nokuphila isikhathi eside kwewindi elihamba phambili nezicabha. Lezi zingxenye, ngokuvamile zenzeka...