Ultra-High Grade Screws
Dvary Ergo Seating use the ultra-high 12.9 grade bolts and assemble by the imported USA Stanley Electric Tightening Torque System to guarantee the assembled screws’ accurate and chair safety.
Seat Pressure Detecting
Dvary Ergo Seating will test all the chairs under 136kgs seat pressure according to the BIFMA standard.
Backrest Pressure Detecting
All the chairs will be fully tested, the BIFMA test of backrest pushing is 90kgs, the destructive test standard is 136kgs. Dvary Ergo Seating adopt 110kgs testing strength which is 30% higher than BIFMA standard. All the qualified products had to pass thi
Dvary Ergo Seating Customized Double Pipe Grade IV Gas Lift
Dvary Ergo Seating adopt the customized double pipe grade IV gas lift to guarantee the using safety, no split or broken.