compact homogeneity of sand mold
Furan Resin Bonded Sand Mold
iron oxide coated sand IOCS
iron oxide coated sand media
Precoated Sand Mold Core
precured resin coated sand
Reclaimed resin coated sand
Resin Coated Sand
树脂涂敷砂
树脂涂敷砂(覆膜砂)
覆膜树脂砂
树脂裹贴砂
覆膜砂
树脂里贴砂
涂敷砂
Resin-bonded sand mold and core