News

Vermicular graphite cast iron has excellent performance...

In lost foam products, common defects mainly include sa...

1. The sulfur content and other trace elements of the o...

Before pouring molten iron, under certain conditions (s...

Casting defects such as inclusions, holes, cracks (refe...

Clay wet sand molds have poor rigidity, causing cavity...

1. Common defects and preventive measures in the use of...

If furan resin self-hardening sand is used improperly...

1. Material selection and quality Raw materials: The ma...