Part of the shipping of goods, in addition to Ningxia, Tibet, Xinjiang, Heilongjiang, Jilin, Inner Mongolia is not free shipping! Please contact Customer Service Advantages: 1, the product in the sales market, not only in quality assurance and process design is very adapt to the new trend of the future development of the furniture. 2, product design and generous, unique, stylish, lightweight and modern family, *, cafes, hotels, leisure, conference rooms, office computer table the best configuration. 3, in the hot summer months, but also allows you layout a little more comfortable, will make you more comfortable ride, winter different models have corresponding leather chairs, to bring an environmentally friendly, healthy young furniture trends . 4, according to the professional ergonomic design, which reflects its sophisticated technology, modeling chic, elegant colors, to better reflect the health chair of "green." 5, rubber cord strip itself cool cool features, beneficial to human health. 6, more durable blessing supreme health chair for three years, less prone to aging, maintenance is simple and convenient, being loved by more consumers. About the so-called health healthy chair chair, refers to the basis of our ordinary computer chairs manufactured by the principles of design and manufacture of ergonomic research, it has all the functions of a computer chair, chair of health in the design more user-friendly than the computer chair oriented, with health care and comfortable, breathable thermal characteristics, is to build a well for the general population to use special care chair. Product structure: 1. Iron pipe: raw materials imported from Taiwan thick tube (1.2mm or more), the main mechanical properties, tensile strength, elongation (transverse), elongation (vertical) have been ISO9001 certification, , the bending angle of 180 degrees. 2. Rubber Ribbon: pure rubber refining raw materials are imported, is dedicated aircraft parachute seat belt material. With a nylon rope woven into later, after the soft-treated. So take comfort, breathable, not hot, safety, health; durable, never collapse; and can promote good blood circulation, eliminate fatigue; so you get to relax in the busy work, seemed more at work, pleasure. ① its elastic properties: elongation of 400%, 100% response rate, per chair of rubber to withstand the weight 200KG, rubber life for more than 6-8 years will not be broken loose deterioration. Resistant to cold, heat resistance: -40 ℃> + 60 ℃, the surface is easy to clean. ② rubber strip rope types: a round rubber cord strip bar, small flat strips, wide strips. Surface preparation of nylon or textile material (there are 110 small rubber round of the composition), brilliant color. 3. Pressure Rod: 150KG can withstand the pressure, through ISO test, through the United States BFMA5.1 certification, SGS certification. 4. chassis components: After back 120,000 times before dumping pressure test. 5. Locate buckle: All nylon material and after heat treatment and cold with a 90 degree bend softness. Through years of experiments together. (Other manufacturers use artificial containing (PVC), PVC plastic plus fiber composition of this process easier in cold weather break) 6. Screw: After cold and hard, capacitors handle. Other manufacturers are no good paint handling capacitance protection of paint through paint handling, easy to scratch later on once 7. Nylon PU foot: using this technology will minimize the damage to the floor, can withstand 1200KG test. Other manufacturers only nylon feet.