When you choose furniture, do you have more requirements on materials, colors and appearance than the size? Luo Yi, the director of the Beijing Wood Furniture Quality Inspection Station, reminds that inappropriate furniture size will affect people's health. Luo Wei said that according to the functional size and comfort level of the human body, the state has set corresponding standards for some furniture sizes such as tables, chairs and beds. If the size of the furniture differs from the standard by a few centimeters, although there is no big difference from the outside, people may use it for a long time, and may have problems such as spine deformation, lumbar muscle strain, and decreased vision. We have listed several common standard sizes for furniture for your reference. 1. Sofa: The front width of the sofa seat should not be less than 480mm; the depth of the seat surface should be between 480mm and 600mm; the height of the seat surface should be within the range of 360mm420mm. Today, some simple and stylish low-profile sofas are popular among young people. However, the height and width of the sofa are closely related to health. If the front width of the sofa seat is smaller than the standard, the space of the sofa will become narrow; the depth of the seat surface is too deep, the calf can not sag naturally, and the calf is easy to be pressed; too shallow, it will make people feel unsatisfied. The seat is too high, just like sitting in a high chair, very uncomfortable. If it is too low, people will feel more strenuous when they stand up. 2. Bed: 440mm is the healthy height (measured by the height of the quilt from the ground). Many people like a tatami-like bed and feel that this bed is simple and convenient. There are also some people who often use the bed as a storage room and use a small cabinet to make the mattress high. In fact, if the bed is too high or too low from the ground, the legs will not be able to land properly. After a long time, the nerves in the legs will be squeezed. 3. Pillows: Adults have a pillow height of 150mm, which is slightly lower for the elderly and children. Because the height of the pillow will directly affect sleep, the pillow is too high, people can not be in a state of natural relaxation, affecting the quality of sleep, hindering blood circulation, especially for the growth and development of children and the health of the elderly. 4. The height difference between the table and chair is between 280mm and 300mm; the height under the desk is not less than 580mm and the width is not more than 520mm. If the table is too short or the chair is too high, it will affect the human spine and lumbar vertebrae, especially for children's vision and growth. If the space below the desk is not up to standard, the legs will not be free to move. In addition, because the size of the TV model in each home is not the same, the choice of the TV cabinet should be calculated based on the height of the TV and the sofa. If people's sights fall right in the center of the TV screen, the height of the TV cabinet is appropriate. The best way to determine if a piece of furniture is right is to try it yourself. If you work at the computer desk for a while, you will feel back pain, but you will not feel relaxed when you have enough time to sleep. It is very likely that your furniture size is wrong. Therefore, when selecting furniture, you must try and ask more questions. You can also find the manufacturer directly according to your personal situation.
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Yangzhou Chengde is a Jointer venture company with American top Aerospace and Energy products conglomerate PCC Group, fully integrated with PCC on technology and management. We can produce all the boiler pipes according to the ASME SA335, ASTM A335 and EN10216 standards, such as the P11 steel pipe, P12 steel pipe, P22 steel pipe, P91 steel pipe, P92 steel pipe, P5 steel pipe, P9 steel pipe, P36 steel pipe, 10CrMo5-5 steel pipe, 10CrMo9-10 steel pipe, 13CrMo4-5 steel pipe, 15NiCuMoNb5-6-4 steel pipe, X10CrMoVNb9-1 steel pipe and X10CrWMoVNb9-2 steel pipe
In the year of 2015, we win the first prize of National Science and Technology Progress Award by the program of [The innovative research & development, and application of steel pipes used in 600 ℃ Ultra-super critical coal power generation unit".
Yangzhou Chengde is continuously strengthening the technical innovation, together with Bao steel and other companies. Yangzhou Chengde has spent 10 years on the R&D of the steel pipe used in 600 ℃ Ultra-super critical coal power generation unit and achieved the tremendous success on realizing the manufacture of such high-end seamless steel pipe from zero to the advance level, which has filled up the vacancy in China and broken up the foreign technological monopoly. The steel pipe manufacturing technology of China has leaped to the international advanced level and further confirmed the leading position of Chinese companies in researching and making high-end special steel pipes.
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