HEADREST: Height adjustable , foam FRAME: PP + glassfibre frame BACK: Hoau Brother mesh ARMREST: PP + glassfibre adjustable up-down T shape armrest SEAT: 42kg/m³ density cutting foam BASE: ∮340 black Nylon base or ∮310 white nylon base, passed 1136KG static pressure test MECHANISM: Butterfly mechanism ( lifting, revolving,tilting, in situ locking ) GAS LIFT: XIEQIANG Ⅲ level GAS LIFT (passed BIFMA test) CASTOR: ∮60MM nylon castor LUMBAR SUPPORT: Fixed Delivery time: 14 days

Delivery time: 14 days

FRAME: PP + glassfibre frame BACK: Hoau Brother mesh ARMREST: PP + glassfibre armrest SEAT: 42kg/m³ density cutting foam BASE: ∮320 Nylon base, passed 1136KG static pressure test MECHANISM: Butterfly mechanism (lifting, revolving, tilting, and in-situ locking) GAS LIFT: Level III black gas lift CASTOR: ∮50MM nylon castor LUMBAR SUPPORT: fixed

HEADREST: Hight adjustable FRAME: PP + glassfibre frame BACK: Hoau Brother mesh ARMREST: PP + glassfibre armrest SEAT: 42kg/m³ density cutting foam BASE: ∮320 Nylon base, passed 1136KG static pressure test MECHANISM: 2.5mm Butterfly mechanism (lifting,tilting, and in-situ locking) GAS LIFT: WITHUS gas lift CASTOR: ∮50MM nylon castor LUMBAR SUPPORT: fixed Delivery time: 14 days

HEADREST: fixed FRAME: Nylon frame BACK: Hoau Brother mesh ARMREST: PP+glassfirbre armrest,with PU padding, height adjustable. (only for black framed ones) White frame ones are with fixed armrest. SEAT: 50kg/m³ density pure foam BASE: ∮340 black nylon base (passed 1136KG static pressure test ) or ∮350 metal chromed base MECHANISM: 4-section lockable mechanism ( lifting, locking, tilting) GAS LIFT: XIEQIANG Ⅲ level GAS LIFT (passed BIFMA test) CASTOR: ∮55MM black nylon or ∮60MM white PU castor LUMBAR SUPPORT: Up-down adjustable If nylon base to metal chromed base, add 25yuan/pc. Delivery time: 14 days

FRAME: pp glassfibre frame BACK: Hoau Brother mesh ARMREST: PP+glassfibre T-shape fixed armrest SEAT: 42kg/m³ density cutting foam BASE: ( 30*15 ) mm & 1.5mm thickness black painted or metal chromed round tube LUMBAR SUPPORT: Fixed Delivery time: 14 days