Shanghai Qing Lan noise Decoration Engineering Co., Ltd. is a design, development, production and installation of environmentally friendly energy-saving window insulation of large companies, such as the hollow sound-proof windows, vacuum insulated windows, three-layer composite sound insulation windows, ultra-low frequency sound insulation windows, soundproof walls, sun room, etc., Qing Lan Decoration Engineering Co., Ltd. of noise solve the noise problem for customers, such as family soundproof windows, KTV office noise, the hotel noise walls, soundproof room noise, with large-scale production plant and sales team. Service outlets throughout the country in various major cities, Yangtze River Delta and first-tier cities with branches, as the business development, Qing Lan soundproof windows with subsidiaries throughout the country, is also a sound-proof windows of the regional general agent in China, providing customers with site measurement and installation of a full range of services. Window insulation industry in the country enjoy a high reputation. Qing Lan brands are exported to foreign countries soundproof windows, soundproof windows and doors to provide Qing Lan, soundproof glass installation support and offer services. 
 To the Year of the Dragon, dragon Herd send blessings, big New Year's Day promotion, Spring zoom "price" to meet the New Year, Spring Festival, Shanghai Qing Lan noise Decoration Engineering Co., Ltd. to repay the majority of new and old customers the support of Qing Lan soundproof windows, launch Best offer-up 
 Special gift for your special 
 "Where in the Qing Lan soundproof windows according to booking 20% ??discount to wait for your participation" limited time offer activities (the activities are limited to: year contract, the customer installed after the Spring Festival) 



 Shanghai Qing Lan soundproof windows in addition to sales Qingyang region, but also exported to the following places: Beijing soundproof windows dealers in Yichun River Lake suppliers Ma Pu soundproof glass window insulation manufacturers Huaiyang Diecai agency sales agent Zhouning soundproof windows experts Henan Nanjing factory noise experts Meigu bedroom door installed soundproof windows Changzhi soundproof windows and doors in the station gantry agents suppliers Pingtan Kongtong soundproof glass window insulation manufacturer Shanghai Qingyang noise insulation glass windows 

 Qingyang soundproof windows and doors to provide you with three complex parameters: 
 Products 35 - 38 db noise isolation 
 Thickness: 5 + v +5 + v +5 5 +4 A +5 + v +5 
 Soundproof windows seal: Import 
 Rubber: EPDM 
 Security: Gang of glass 
 Energy: Energy saving 
 Noise Window environment: less than 75-80 dB outdoor noise 
 Sale: 2 years warranty windows, glass free for 10 years 



 Qing Lan soundproof windows where there is also the following division: 

 Shanghai Wu soundproof windows and doors installed soundproofing home decoration company installed a large stone door Larix Pingtang acoustic noise insulation materials pingyu decorative soundproof windows agent company Qixia family Qingyunpu soundproof windows soundproof windows wuxiang regional supply Suzhou factory noise expert Shixing bedroom Xuanhan Xinzheng soundproof doors and windows soundproofed windows home decoration company Xiangfang Xiuning installed soundproof doors into the safety of noise insulation materials Yanliang decorative soundproof windows agent's Jiangbei Hefeng River area home window insulation business manufacturers supply West Riverside soundproof windows insulated windows noise expert Haiyuan bedroom India Jiang, soundproof windows and doors decorated door installation company Puning social Flag soundproof doors Zhangpu noise insulation materials, decoration companies Qing'an agent Gaolan family Raoyang soundproof windows insulated windows noise windows Xupu Muchuan regional supply noise expert manufacturers leling East Huaiyuan bedroom window insulation Chang soundproof windows and doors door installation Fukasawa Qingyang soundproof glass decoration company