技术亮点：

Technical highlights:

1、全机采用GB-HT300树脂砂造型铸件，经回火处理和自然时效处理消除内应力。

The whole machine adopts GB-HT300 resin sand molding castings, which are treated with fire and natural aging to eliminate internal stress.

2、内藏式配重：配重附导杆，上下移动时配重不晃动。

Built-in counterweight: the counterweight is attached with a guide rod, and the counterweight does not shake when moving up and down.

3、各滑动面使用自动润滑泵装置，确保机床的使用寿命。

Each sliding surface uses an automatic lubrication pump device to ensure the service life of the machine.

4、全密封钣金，操作方便，防水效果安全性好。

Fully sealed sheet metal, easy to operate, waterproof and safe.