Home comfort sedentary chair with adjustable ergonomic office chair

Fabric: 1.5 thick lychee pattern west leather or imported first layer of yellow cowhide veneer
Wooden board: 13mm thick curved board
Sponge: High resilience virgin cotton
Chassis: luxury aircraft chassis
Gas rod: three-level explosion-proof electroplating steam rod
Legs: 350 square plating  
Chair wheels: φ black edge wheels