Lift-System Steel Sleeve Block.
(for Pillar 520, Beam:1010x580)
520柱-昇降大型滑套.
歐規鋼板.各種規格,皆可製作.

ELE-390M
390 Lifting-System Set with 
Multi Sleeve Block.

290 Lift-System with Chain-Hoist
LFT-290H

Speaker Tower System
by TC-390 Truss

390 Elevator with Chain-Hoist
ELE-390H

Speaker Tower System
290轻型-线阵吊架