Perforated aluminum honeycomb structure constructed sound-absorbing ceiling panels perforated aluminum panels with perforated back, relying on high-quality adhesives and aluminum honeycomb core bonded directly into the aluminum honeycomb sandwich structure, honeycomb core with a layer of sound-absorbing panels and the rear plate affixed cloth. Since the honeycomb core aluminum honeycomb interior divided into a number of closed chamber to prevent air flow, so that hindered sound waves to improve the absorption coefficient (up to 0.9 or more), while increasing the strength of the plate itself, so that the size of a single piece of sheet metal can to do more, and further increased design freedom. According to room acoustics design, the perforation rate different design, within a certain range control sound absorption coefficient of composite structure, both to meet the design effect, and also be able to reasonably control costs. By controlling the hole diameter, pitch, and can change according to customer requirements perforation rate, the maximum perforation rate <30%, pore size generally used ∮2.0, ∮2.5, ∮3.0 other specifications Hebei washing machine recycling the same requirements and perforated back panel, sound-absorbing non-woven cloth using high-quality sound-absorbing material. Suitable for subway, theaters, radio, television, textile, and noise over the standard factory buildings and the sound of stadiums and other large public buildings acoustic wall panels, ceiling panels. Renewable resources can save a lot of energy, water and production materials, lower production costs, reduce environmental pollution. Jiangsu washing machine while the recovery, many non-renewable mineral resources have characteristics, which determine the value of renewable resources, recycling has inestimable. [1] First, industrial development potential. According to incomplete statistics, China's annual renewable resources, recycled nearly 100 million tons, worth more than 2,000 billion yuan, of which more than 4,000 tons of scrap iron and steel, 30 million tons of waste paper, scrap metals more than 500 million tons of waste plastic 6000000 ton, more than 50 million waste tires Article other waste materials more than 1000 tons. In addition, in recent years, China's annual imports of all types of renewable resources are also more than 2,000 tons. If you include the mining industry since the resumption own waste, the value of China's annual recycling of renewable resources up to 40 billion yuan. Renewable resources is not absolute, is relative, conditional existence, humans have to be rational development and utilization and protection. Otherwise, our children and grandchildren will be resource crisis and the energy crisis. Renewable resources in order to save resources and the rational development and utilization of limited resources, the state actively support and encourage enterprises to adopt advanced technology Hunan washing machine recycling, recycling of renewable resources, comprehensive development of circular economy projects, especially those strategic reserves of scarce resources, such as tungsten, molybdenum, antimony, tin, cobalt, nickel, tantalum, niobium, bismuth, gold, silver, platinum, palladium, rhodium, rare earth, copper, aluminum, lead, zinc and other scrap metal resources, the development of a renewable resource projects, is equivalent to development of an equal amount of metal the size of mine. Hunan washing machine recycling, Shengxin scrap metal recycling (certification), washing machine Recycling scrap metal from the Linyi City Shengxin Limited. Linyi City Shengxin scrap metal recycling Ltd. (shengxin.tz1288.com) Shandong Linyi, leading scrap metal, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Shengxin scrap metal recycling leadership with the staff warmly welcome all inquiries negotiations to create Shengxin scrap metal recycling better future.