... .Founded in 2003, 10 years experience for making shot blasting machine. A group company,having real estate, machinery and leather bags ... ,tagger),then it is hot up,molding,pressurized sand-box,take out the air,so the sand is tighten.the course is ... :pattern plate, vacuumsysterm, calefaction, molding and server, vibrating table,sandmolding machine and so on.Vacum airproof molding have the excellence of ...