1.perfect free casting systemu0026nbsp;

2.High Strength aluminum-alloy anticrrosive body which is clamped at one time byu0026nbsp;

a four-axis maching center.u0026nbsp;

3.One-way clutch instant anti-reverseu0026nbsp;

4.Designed for fast for disassembly from one side of the unitu0026nbsp;

5.More steady and labor-saving aluminum-alloy arm