Product Description: Longpu solar vacuum tube adopts interference solar absorption layer and unique three-target magnetron sputtering coating technology.Even at high temperatures of 400 degrees,the metal ions ... อ่านเพิ่มเติม
Product Description: Longpu solar vacuum tube adopts interference solar absorption layer and unique three-target magnetron sputtering coating technology.Even at high temperatures of 400 degrees,the metal ions ... อ่านเพิ่มเติม
Our tankless solar water heater also called Integral vacuum tube solar collector,which is made of 137mm large-diameter vacuum tube.As its name suggests,in an integral vacuum tube collector storage system,the ... อ่านเพิ่มเติม
Thai
