免费无码试看一区二区三区,亚洲人亚洲人成电影网站色,国产成人免费全部,乌克兰少妇xxxx做受野外,成人黄色三级视频网站,久久久国产精品无码人妻

1. Whole appearance, with reasonable mechanical structure, leveler, feeding, and grooves running smoothly, all are in  one production line.
2. The letter each folding edge and angle are perfect,which are suitable for lot production.
3. Compared to traditional production,CNC and standardized production, greatly improve production efficiency .
4. This machine is based on Chinese letters and many years’ practical experience,independent research and development of software and hardware systems,complete with its own intellectual property.
5. Grooving tool with traditional straight groove structure, a strong driving force hydraulic system,reasonable  structure, high hardness, especially the White steel ,can achieve high accuracy requirements.