1,PE bottle blowing ( Much Softer material, with a solid color, once molded product)
2,PP bottle blowing ( Much harder material, with a solid color, once molded product)
3,PET bottle blowing(Good transparency. Belongs to environmentally friendly materials, two molded product)
4,PVC bottle blowing(hard material, not environmental protection,transparency is worse than PET, but brightness is better than PP and PE , currently less used )
