The picture shows a batch of cast trays produced in May 2021. One material is 1.4849, the specification is 1100*704*45mm, and the weight is about 54kg, and the other material is 1.4852, the specification is 630*630*60mm, and the weight is about 42kg. All adopt the silica sol precision casting process, after passing the inspection in all aspects, the box is sealed and shipped.