Vinyl polyurethane is inexpensive. It is also used as a plaster injection moldolding.
Tianjin d is a chemical material used to make plaster, making it stronger, and stronger than plaster. It is also easy to use and easy to wash. the tianjin d chemical coaster is inexpensive, and less resistant to weather. When it comes to PVC, the material of PVC plaster is inexpensive, easy to use, and easy to use. PVC coaster is inexpensive, easy to use, and easy to clean.