亚洲无码视频自拍|日日操日日爽|国产一区综合|国产a久久,麻豆国产入口在线观看免费,中文字幕天堂av,成人欧美一区二区三区在线观看

Precisition Products

• Auto parts
• Compressor Casting
• Electric power fitting
• Railway Part
• Pump Valve Pipe Casting

Electric power fitting

Ductile iron: QT400, QT500, QT550, QT600, QT700

Gray iron: HT200, HT250, HT300, HT350

Alloy: NiCrMo alloy