YA brand 219mm 40L 150bar medical oxygen cylinder is made by 37Mn seamless steel pipe ,consistent height, smoothly painting, and excellent properties, which is widely used for medical and hospital field. The products have passed TPED and CE certification.
500ml stainless steel vacuum bottle ,food grade material ,FDA ,LFGB pass .Bounce button lid design ,easy to open and drinking .Suitable for business gift ,school student use.