Insulated Glass performance -Guardian Glass VS China Morn

Guardian industries Holdings, is a global multinational company with 21,000 employees in more than 20 countries and regions on five continents. Its main business is high-end architectural glass, fiberglass building products, and automotive industry glass and interior products, annual sales are about 70 Billion dollars. Established in 1936,Guardian Glass now own 28 float glass production […]