1. Product Name auto-return gas spring
2. A principle of operation auto-return gas spring is possible to stopat any height by setting at an arbitrary position
3. Characteristics easy to store; Easy to install; Easy to use; Light and small in size and supports a large load
4. Limites of the products office chair, rocking chairs, chair for the beauty parlors, passnger seats, hospital beds
5. Certificate pass SGS BIFMA, TUV, ISO9001
6. Material stainless steel
7. Delivery time one week
8. Delivery port Shanghai port
9. Packing list carton or pallets
10. Guarantee year 5 years
11. Colour black or chrome
12. Class class 1: Thickness 1.2mm; Class2: Thickness 1.5mm; Class3: Thickness 2.0mm; Class4: Thickness 2.5mm
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