in the market, there are generally two types of tube ice generator in heat insulation. The most simple one is wrapped by thermal insulation cotton, this way is a cheap way, another type is wrapped by stainless steel plate outside and inject with high density PU Foam, we use this type, and it performs much better than the first one. 2Ton Ice Block Machine, Commercial Ice Maker, Ice Cube Machine Price In Philippines, Perfect Ice Cube Maker,Ice Maker That Makes Square Cubes. Tube ice size : the 29mm and 35mm tube ice are the most popular tube ice in philippines. The product will supply to all over the world, such as Europe, America, Australia,Irish, Netherlands,Macedonia, United Arab Emirates.3.Battery: there are mainly two types of battery in the solar system. One is cheap one, lead batteries, this one is cheap but can’t last long, another is lithium battery, this one is expensive but it works quite well.