来源：90年代引进，并在JB标准的基础上作优化和改进。

作用：起升，下降，借助辅助推进，翻转，和各种高度位置调整等。

特点：结构简单，高度模块化，安全方便，应用基础广，性价比高。

基本参数：承载能力：0.5T-150T；%ED：≤20%；电机驱动，液压驱动，气压驱动，特别适合手动。

Source: Introduced in the 1990s, optimized and improved based on the JB standard.

Function: Lifting, lowering, auxiliary propulsion, overturning, and various height and position adjustments, etc.

Features: Simple structure, high modularity, safe and convenient, wide application base, and high cost-performance ratio.

Basic Parameters:

Load capacity: 0.5T – 150T

Duty cycle (%ED): ≤ 20%

Drive modes: Motor drive, hydraulic drive, pneumatic drive; particularly suitable for manual operation.