The outer door is a polyurethane foamy one with a glazing unit observation window, for better perspectivity and heat preservation.

外门为聚氨脂发泡门，中空玻璃观察窗，好，保温能好。

The outer door is a polyurethane foamy one with a glazing unit observation window, for better perspectivity and heat preservation.

外门为聚氨脂发泡门，中空玻璃，透视性好，保温性能好。

The outer door is a polyurethane foamy one with a glazing unit observation window, for better perspectivity and heat preservation.

外门为聚泡门，中空玻璃观察窗，透视性好，保温性能好。

The outer door is a polyurethane foamy one with a glazing unit observation window, for better perspectivity and heat preservation.

外门为聚氨脂发泡门，中空玻璃观察窗，透视好，能好。

The outer door is a polyurethane foamy one with a glazing unit observation window, for better perspectivity and heat preservation.

外门为聚氨脂发泡门，中空察窗，透视性好，保温性能好。

The outer door is a polyurethane foamy one with a glazing unit observation window, for better perspectivity and heat preservation.

外门为聚氨脂发泡门，中空玻璃观察窗，透视好，保温能好。

The outer door is a polyurethane foamy one with a glazing unit observation window, for better perspectivity and heat preservation.

外门为聚氨脂发泡门，中空玻璃观察窗，透视，保温。

The outer door is a polyurethane foamy one with a glazing unit observation window, for better perspectivity and heat preservation.

外门为聚氨脂发泡门，中空察窗，透视性好，保温性能好。

The outer door is a polyurethane foamy one with a glazing unit observation window, for better perspectivity and heat preservation.

外门为聚氨脂发泡门，中空玻璃，透视性好，保温性能好。