... in 2003, 10 years experience for making shot blasting machine. A group company,having real estate, machinery and leather bags industry.Eight ... our machines.Vacuum process molding is a new type plastic technics,and adopt singleness dry sand(no water,bond,tagger),then ... produce Vacuum airproof mloding and sand molding machine by the basis of uesr request.the company has the 10 ten-thousand Vacuum ...