Star brand Youshiji Building Materials Co., Ltd. is the leading brand of mineral wool ceiling system in the world. It is jointly established by USG Company of the United States and Beijing Jinyu Co., Ltd. of China. It is the largest manufacturer of mineral wool ceiling and ceiling keel in Asia and one of the largest suppliers of granular cotton in China.
Second, Armstrong.
Armstrong (China) Investment Co., Ltd., top ten brands of plastic flooring and top ten brands of sound-absorbing boards, 1860 was founded in the United States. It is a global leader in the design and manufacture of ceiling and floor systems, a world-renowned international enterprise, and the largest manufacturer of mineral wool sound-absorbing ceiling and non-directional elastic floor in the United States.
Third, Edindzheko.
Saint-Gobain Gypsum Building Materials (Shanghai) Co., Ltd., Gyproc edin Zhe Ke, top ten brands of light steel keel, top ten brands of gypsum board and top ten brands of sound-absorbing board, started from 19 15, and became one of the largest building materials manufacturers in the world and a large multinational building materials company.
Fourth, Konev.
At present, Knauf has 12 sub-brand, 220 production bases and more than 26,500 employees in 70 countries around the world. In China, Kneff still maintains the pattern of gypsum products as its core business, and all kinds of building materials and supporting systems develop together, providing a whole system solution for buildings involving external walls, internal walls, suspended ceilings and floors.
V. Sources of sound
Audio source is an enterprise specializing in the production of beautiful materials such as wooden sound-absorbing board, soft cloth sound-absorbing bag and bangmu sound-absorbing board. Headquartered in Guangzhou, Audio Source is a large-scale sound-absorbing material manufacturer in China, with excellent brand and leading position in scale and output.
Extended data 1, unique appearance and simple surface treatment.
The unique surface filiform texture gives people a primitive and rough feeling, which accords with the concept of modern people returning to nature. The surface can be painted six times.
2, the structure is firm and the installation is simple.
Strong structure, good elasticity and strong impact resistance. When used in the gym, it can withstand the repeated impact of basketball, football and volleyball without cracking or damage. Easy to cut and install, just like common woodworking tools.
3, energy saving and heat preservation, good sound absorption.
Because it is mainly made of wood, its thermal conductivity is as low as 0.07, and it has strong thermal insulation performance. The maximum sound absorption rate of the sound-absorbing board can reach 1.00.