Designed to expand underheat, and fill the gaps between the door leaf and frame, thereby preventing the passage of smoke and fire to other partsor compartments of the building Comes With Fitting....
Hangzhou Juntai Plastics Co., Ltd was established in 1999, is located in the beautiful scenery and convenient http: / / www.juntaipvc.com/
PVC is called poly vinyl chloride, the main ingredients of PVC; it has the bright-colored, corrosion-resistant and durable property. It is often add some plasticizers, anti-aging agent, and....