riser tubes with Si3N4 silicon nitride technical ceramics

Tech by Japan , high quality with good price.

mainly for low-pressure die casting industry,

Longer working life.

 thermal shock resistance, creep resistance, 

acid&alkali resistance, anti-oxidation,

and perfect resistance of liquid-metal corrosion, 

no Fe material added for improving metal products quality.

Mainly applied for

★Car Aluminum-wheel making

★ Metal industry AL, Zn, Cu, Pb, Sn...