Min. Order:
100000 Piece
Price:
US$ 40
Place of origin:
China
Supply Ability:
140000 pcs/month
multi-layer solid wood board material combined with a steel frame, and is made of powder-free sponge with a density of 25 and a hardness of 50;
Mechanism
Infinite locking mechanism, cold-rolled mechanical tension spring, long-lasting power storage, durability increased by 3 times; thickened 2.0 mechanical steel multi-function mechanism, adjustable lifting, adjustable back tightness, adjustable wh
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