silica sol process,water glass process and compound process
max weight for silica sol process:130 KGs Casting tolerance grade: CT4-CT7
max weight for water glass process:150 KGs Casting Tolerance grade: CT6-CT8
max weight for compound process:150 KGs Casting Tolerance grade: CT5-CT7
Room 2803,Wanhe apartment,Lekai north street,Jingxiu district,Baoding city,Hebei province,China 071052
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