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