The whole process of low pressure sand casting engine upper cylinder block

[@WesleyHarcourtSTEAMandMORE]

Is the binder for fhe poured sand molasses? And the big plate a 'chill'?

[@AKAtheA]

are these prototypes or low volume production?

[@ZhenghengAutoParts]

small batch production

[@Rehan.khan1990]

Good information

[@Rehan.khan1990]

Good information

[@ZhenghengAutoParts]

OK，thank you