H??ng d?n s? d?ng viên u?ng ??i Tràng ColMin h? tr? ng??i b? viêm ??i tràng, b?nh ??i tràng ch?c n?ng??ng ký nh?n b?n tin Nh?p e-mail ?? ??ng ký nh?n b?n tin m?i nh?t t? WikiBacsi.Stainless steel shell: The COLMI R02 sensible ring shell is product of stainless steel, which is very corrosion-resistant, attractive and cozy to wear.Viên u?ng ?