Chair back | Made of black/gray/white sand grain nylon frame, the chair back is equipped with WINTEX LANE series 3D mesh imported from South Korea as standard, and domestic mesh is optional
Lumbar support | Optional plastic height-adjustable lifting lumbar support, PP material, adjustment range 70mm; Armrest | Optional fixed armrest/2D lifting armrest/4D lifting armrest
Seat cushion | Optional high-strength sliding plastic seat shell with seat (sliding range 65MM, applicable to wire-controlled self-weight mechanism); optional depth fixed configuration (applicable to one-button mechanism);
Mechanism | All black, one-stage mechanism (first-speed locking) or one-button three-speed locking mechanism or wire-controlled automatic can be selected according to customer needs Gravity mechanism (fourth gear locking) or multi-function mechanism (fourth gear locking)
Five-star feet | Standard nylon five-star feet match the color of the frame and armrests; optional aluminum alloy polished five-star feet