Patented product, adjustable lumbar support
Fabric: Made of Italian "Sunshine" brand calfskin (1.0mm thick), it has been treated with liquid color dipping and moisture-proof, anti-fouling and other processes to make the leather surface softer and more comfortable, with long-lasting luster. Accessories: DuPont's PU molded foam high-density sponge is used, with a protective layer on the surface to prevent oxidation and shattering. It will never deform after HD testing.
Accessories: Korean SHS air pressure rod (with a force of 250kg); it can be stretched and retracted 300,000 times without air leakage.
Chassis: Four-level locking backrest and independent tilting chassis
Feet: Aluminum alloy five-star feet + universal wheels
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