bids are invited for fulfillment of varied goods -1. tilt mechanism - synchronic mechanism essential 2. locking mechanism – upright locking essential 3. backrest upholstery material – mesh fabrics essential 4. backrest height – mid back (451 to 550 mm) essential 5. backrest base frame material – thermoplastic elastomer frame with insert in two-piece essential 6. armrest type and arm movement - fixed essential 7. armrest material - thermoplastic elastomers essential 8. lumbar support - the chair should have an adjustable lumbar support. essential 9. minimum density of foam used in seat – minimum 35 kg per cubic meter essential 10. minimum thickness of pu foam used in seat – 35 mm essential 11. minimum thickness of ms plate joining the under structure with seat – 2mm essential 12. pedestal base - glass fiber nylon essential 13. minimum pedestal size (diameter) – 650mm essential total quantity : 320