The usage of Office Chair Back Durability Tester
It`s to evaluate the ability of the chair back to withstand the fatigue stress and wear that occur as the result of user exerting backward pressure on the chair.

The parameters of Office Chair Back Durability Tester(The table parameters for the company Standard Model parameters, we support customer customization parameters)
 
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The introduction of Haida
Haida products are widely used in paper products, packaging, ink printing, adhesive tapes, bags, footwear, leather products, environment, toys, baby products, hardware, electronic products, plastic products, rubber products and other industries, and are applicable to all scientific research units, quality inspection institutions and academic fields. Our products meet UL, ASTM, JIS, GB,SO, TAPPI, EN, DIN, BS and other domestic and international standards.
 



If you face any problems in future during testing process we promise we will give you a reply within 48 hours and solution provide within 3 working days. We can offer operation video and English operation muanual. We can provide video-conference. If customers require on-site service, the transport and travel expense shall be borne by customer.
1. Pre-service
    24 Hours online service for your consult.
    Help choose right model,and a series  of service,person,advise. main web site:http://haidaequipment.en.made-in-china.com   
2. Middle service
    --Give you best offer
    --Provide discount for many sets order
    --Do customer's request:
    --Choose payment term you convienent.
    --Promptly production and delivery,inform you in time.
    --Can provide invoice value as you like to decrease your tax.   
3. After sale service
   --1 year warranty service and all life maintenance.
   --Technical Egineer are avalible for oversea trainning.
   --Free change for some parts
   --Remote control technical consult
   --Free installation DVD
   --Maintenance plan
4,Commitment:
We will sign a letter of commitment while we sign the contract, which will improve your confidence to us.
5,Good Packaging: 
Good Packaging:  Simulation Animatronic Customer Triceratops are covered with air bubble film before put them into the wooden case, which not only has good shock absorption, impact resistance, heat sealing and also has the advantages of nontoxic, odorless, moisture corrosion, good transparency etc.