Copper Door 1,The world patent 2,By adopting the Japanese vacuum casting technology 3,Environmental-friendly, never rust Product feature:1.Rust resistant,no deformation,no cracking,shock resistance,aniti-moth,keeping warm, moisture-proof, heat insulation,wear-resisting, flame retardancy,anti-mildew,easy to clean2. Environmentally friendly,no environment pollution, no-radiation, formaldehyde tion ...