Yantai Wanhua is the leading manufacturer of MDI (diphenylmethane diisocyanate) in China and the largest MDI manufacturer in the Asia Pacific region. MDI is an important raw material for producing polyurethane products and is widely used in various fields of daily life. According to the different degrees of functionality, it is mainly divided into two forms: pure MDI and polymeric MDI. Pure MDI is mainly used for the production of pulp, sole liquid, spandex and other products; polymerization MDI is used to produce polyurethane rigid foam, used in refrigerators, freezers, pipe insulation and other fields. The MDI industry is in an oligopolistic competition model. There are fewer companies in the industry, competition is not fierce, and the profitability of products is also relatively strong. It is more attractive to companies outside the industry. However, MDI's production technology barriers are relatively high. At present, only one local company in Yantai Wanhua has mastered its core production technology, and several companies in the industry tend to be blocked by technology and the industry has a high barrier to entry. With the relaxation of the national monetary policy, the downstream apparel leather industry in pure MDI will improve, and the demand for aggregated MDI will benefit from the relaxation of the flame retardant standard for exterior wall insulation materials. In 2012, MDI demand is expected to rebound. In years of stable demand, MDI prices tend to fluctuate with seasons and show regularity. Specifically: the beginning of the Lunar New Year to the first half of the Lunar New Year is the low price range for the whole year, before the Spring Festival, the dealer's stock supplements drive the price to rise slightly, and after the Spring Festival, the downstream construction starts to enter the production season, driving up the price of MDI, which will last until April-May. . Yantai Wanhua is expected to achieve top-down polyurethane industry consolidation in the future. Compared with foreign giants such as BASF and Bayer, the industry concentration of polyurethane in China is still very low and there is a lot of room for improvement. With Yantai Wanhua completing its layout in the upstream of polyurethanes, especially the combined polyether industry, it is advancing downstream and completing the industry integration from top to bottom is an inevitable trend. Special Custom High Speed Door
Our company is a door manufacturer integrating R&D, design, manufacturing, sales, installation and after-sales service. Our products include PVC soft-curtain high speed rolling door , PVC Curtain swing door, self repairing high speed door , turbine hard fast shutter door, automatic sliding doors, automatic swing doors, revolving automatic doors, automatic hospital doors,and folding automatic doors.
Nowadays, many companies like to buy PVC soft-curtain high speed rolling doors when purchasing PVC fast-rolling doors. What are the characteristics and advantages of it that make everyone love it? Let's talk about the overall advantages of PVC fast roller shutter doors.
Features and advantages of PVC fast roller shutter doors:
1.Good UV protection effect of PVC fast roller shutter door
The UV-proof door curtain of PVC fast rolling door, as the screen of the welding welding area, can filter harmful UV rays through the scenery, which is convenient for viewing the working situation, and prevents the flying and diffusion of sparks, smoke, debris, etc., to protect the safety of personnel. prevent fire.
Sound insulation effect PVC fast roller shutter door curtain can reduce noise decibels, prevent noise diffusion, reduce noise pollution, and be used as a machine compartment screen to improve the sound insulation effect of operations.
2. Good cold resistance effect of PVC fast roller shutter door
In the case of low temperature, the PVC fast rolling shutter can still maintain a high degree of softness, making it convenient for people and vehicles to enter and exit, and has a good isolation effect. It can prevent the loss of air conditioning and heating to a greater extent and save energy.
3. Good airtight performance of PVC fast roller shutter doors
A sealing strip with better sealing performance is installed in the track of the fast roller shutter door. With the weight of the door curtain itself, it will not bend and affect the normal operation under the wind speed of the harsh weather.
4. Good thermal insulation and energy saving effect of PVC fast roller shutter doors
PVC fast rolling shutter not only consumes no electricity, has no noise, no moving components, improves freezing efficiency, but also reduces the number of revolutions of the freezer, saving up to 50% of electricity.
5. Good anti-static effect of PVC fast roller shutter door
The curtain of the PVC fast rolling door does not produce static electricity after friction, which is suitable for the factory effect where static electricity is strictly prohibited.
Widely used in office buildings, public buildings, hotels, hospitals, supermarkets and factories in Asia, Eastern Europe and Africa. The specific requirements of an effective door system in different situations (eg clean room, operating room) may vary in different parts of the world.
Special Custom High Speed Door, Special Custom Rapid Door, Special Custom Fast Door SHENZHEN HONGFA AUTOMATIC DOOR CO., LTD , https://www.hongfarrs.com