... 3. Accurately weighing. Detailed products specification: Valve packaing machine The automatic packaging machine is suitable for dry mortar, cement, talcum powder, ... exact, stable performance 2, all equipped with dust and sealing machine, reasonable structure, durable, truly realize environmental production, 3, ... series of products. Contact person: Mandy Tel: 0086-15137102916 Fax: 0086-371-68590099