Controversial background:
In February 2011, CCTV-9 broadcasted "Chinese Cultural Heritage: Jinsi Nanmu", which allowed the golden silk Nanmu, which has disappeared for many years, to "reproduce the rivers and lakes"; in May, CCTV-4 was in the "National Treasures Archives" column for two consecutive days. Broadcasting "Looking for the King of Nan" and linking the legendary Jinshen and Yunan, since then, the major media began to rush to report; in November, a central media TV series re-launched three "golden wire" Nan's special report, claiming that Jinsi Nanmu resources are scarce and worthless, it is a cultural relic. For a time, Jinsi Nanmu was "a domineering exposure." At the end of the year, a large number of inquirers poured into Sichuan, where the wood was produced. A news of “gold rush†was blasted. Since then, the sayings of “demolition of houses and materials†and “20 million gambling woods†have followed, and the market’s gold nanmu The price is almost one price in January, and the price of fine gold silk furniture is even tens of millions.
2011, what is the redwood market in the media?
In November 2011, the title of “Redwood Price Plunge†appeared again in many media; in December, after a central media TV program launched Phase III Jinsin, it was followed by the launch of three “Redwood Market Survey†reports in this group. In the program, Vietnamese huanghua pear fell from 2 million yuan per ton to 1.4 million yuan per ton; Laos rosewood fell from 200,000 yuan per ton to 150,000 yuan; the price of rosewood materials fell by 15% to 20% overall; The furniture market is even more miserable. Merchants are divesting and selling, discounting and selling...
What is the effect of the report content so much on the market? It may be evident from the bustling market in Jinshen and the sluggish mahogany market and the increase in the number of golden nanmu at major exhibitions. In the commercial war, there is a war that transcends the limits of market competition itself, that is, the creation of public opinion and capital speculation. Is the value dispute between Redwood and Jinshen also due to this? Deng Xuesong, deputy secretary-general of the Traditional Furniture Committee of the China Furniture Association, said: "There are a wide range of 'stolen concept' and 'distorting facts' in the propaganda of Jin Shinan. The survey data of the rosewood market also completely deviates from the real trend of the wood market. The purpose of doing is to raise the price of Jinsi Nan, and at the same time devalue the rosewood and rosewood and mahogany furniture industry." Dream back to classical furniture, the prosperity of the Ming and Qing Dynasties, such as yesterday, people can not forget the classics; look back on the world, people are willing to The continuation of its classic, dazzling light, giving it the vitality of a new era. Whether it is made of mahogany or golden silk, it is only for the collection of sacred products, collections from generation to generation, in order to highlight the meaning of the collection. Then we look at the value of the collection of mahogany and golden nanmu.
Seeking truth from facts - the material traces back to the source - talk about the use of mahogany to make furniture, there are history books available for inspection. According to historical records, mahogany has a close relationship with Zheng He's voyages to the West. When Zheng He went down to the Western Sea, he returned to the country to use the mahogany to press the cabin. The wood craftsman made the hard, fine-textured mahogany that he brought back into the furniture for the imperial palace to enjoy. The mahogany furniture was "launched" during the Ming and Qing Dynasties. It is also the peak of mahogany furniture. To this day, the mahogany has also been identified as five categories and eight categories by the State Bureau of Technical Supervision. The mahogany furniture has been passed down for hundreds of years and will last forever. The mahogany furniture has been recognized by history and modern people. At present, China's redwood species are extremely rare and the output is extremely low. Most of the domestically produced mahogany furniture is imported from Laos, India, Vietnam and other Southeast Asian countries.
"The story about the use of the golden nanmu 'usal is mostly the result of the business to promote the value of Jin Si Nan," Deng Xuesong said. In history, Nan, 樟, 梓, and thick are called the four famous trees, and Nanmu is crowned with the first. Jin Sinan has long been dedicated to the construction of royal palaces and temples. Wu Bingliang, executive chairman of the Bureau of the Chinese Traditional Furniture Professional Committee, deputy director of the Classical Furniture Collection Committee of the China Collectors Association, and Wu Xinglong Ming-style Furniture Art Co., Ltd. of Taishan City, also said, "When Jin Si Nan began to use as a furniture material, it has been difficult. However, since ancient times, Jinsin is mainly used for construction and shackles. Due to cultural differences, many people at that time felt that nanmu was unlucky because of shunning, so Jinsin could not be like the huanghuali, red sandalwood and other furniture. There are very few furniture left over."
About high speed Door Accessories:
1.Driving system: High Speed Door Servo System motor and control, motor SNMA / SEJ +reducer+flang+encoder+control box
2.Other accessories: Middle aluminium bar, bottom aluminium bar, aluminium vertical track, stainless steel vertical track, brushes,round nylon strip, PVC roll, rolling steel tube complete, drum be;;s for rolling tube, side end covers, stainless steel cover, steel tubes, air bag sensor system, safety light beam, Microwave sensor 24 Gigahertz,PVC welding machine, smoke and fire sensors, PVC transparent window, magnetic loop, photocell, remote control, manual push button, sound warning alarm Led lamp traffic light
For some main accessories, here is detain introduction:
1).24G radar sensor:
Brand: Hofic
Technology: Microwave processor
Maintain time: 0.5s
Protection: IP54
Transmitting frequency: 24.125GHz
Maximum installation height: <5meter
Transmitting power density: <5mw/cm2
Power consumption: <1W(VA)
Installation angle: 0-90°(lengthways) -30-30°(crosswise)
Supply voltage: AC&DC 12V-30V
2).Photocell:
Approval CE & ISO9001
Power supply AC/DC 12-30V
Static current 25A
Action current 40mA
Mounting distance Max 10m
NO or NC contact Done by NO./NC. contact selection
Working environment temperature -42℃ to +45℃
Working environment humidity 10 to 90%RH
Appearance dimensions( controller) 123*50*32mm(L*W*H)
Appearance dimensions(Magic eye head) 19*13mm(L*D)
3). Remote control
Operating Voltage: AC220V/50HZ+-20%
Transmit power:≤100mW;Super regenerative module, strong anti-interference
Operating temperature:-30℃-+70℃
Working frequency: 433MHZ;transmitter 1527, millions of encoding chip
Accept sensitivity:≤110dB
Manipulation method: electric remote control
Configure the quantity: Wireless number; factory configuration transmitter two. Can be equipped with PT2272 digital decoder chip
Configure the function: Up, down, stop, anti-lock full-featured reproduction
4). Magnetic loop
Voltage: 12V AC/DC +-10% 24V 115V AC+-10% 230V
Power: <2VA
Continued electrical output: 7A / 250V AC
Frequency range: 20 to 200K Hz
Response time: infinity (factory setting) or adjust maintain time
Sensitivity: 0.01% to 0.1% divided into 3 levels
Protection level: IP30
Electromagnetic compatibility (EMC) Complies with EM50081-1 and EN50082-2
Detection loop inductance: the limit of 40uH to 100uH ideal value 80uH to 300uH
Operating temperature: -25 ℃ to 70 ℃
Storage temperature: -40 ℃ to 85 ℃
Relative humidity: <90% non-condensing
Temperature compensation: automatic compensation up to 50 ℃ / h
Connection type: 11 pin DIN rail socket
Dimensions: 41 * 78 * 85 mm (width * height * length)
Weight: 250 grams
5). manual push button
This exit switch button is made of ABS and has built-in indicator light make it looks more elegant and fashionbale. It can be widely used in public entrance gates, public door, home, office, hotel, etc.
Door Exit Button Push To Exit Switch Door Opener For Access Control Security
Main Feature
Fashionable appearance
Made of ABS Plastic
Easy to install and operate
Used for access control
Specification
Mechanical Life: 500,000 test
Material: Plastic
6). Limit switch encoder
Voltage: DC5V-24V
Output voltage: high voltage≥85%Vcc, low voltage≤0.5V
Maximum mechanical speed:6000rpm
Anti-vibration: 50m/s,10-200HZ,XYZeach way 2 times.
Current consumption:≤30mA
Response frequency: 0-100KHZ
Protection: waterproof,oil proof,dust prevention, IP54
The output code system: binary code
Operating life: MTBF≥30000(+25℃,2000rpm)
Rotational inertia:4.0x10-8kgm²
Maximum load:radial direction20N
Axial direction:10N
Weight: about 0.4kg
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Shenzhen Hongfa Automatic Door Co., Ltd. , https://www.highspeedshutterdoor.com