Lv Zhi (Nanjing Lv Zhi New Building Materials Co., Ltd.) (China acoustic material industry leader, professional acoustic product/design service solution provider, leading brand in sound insulation industry, Nanjing Lv Zhi Acoustic Technology Co., Ltd.)
Shenhua (Shanghai Shenhua Acoustics Equipment Co., Ltd.) (China is a high-tech enterprise specializing in noise control, a leading enterprise in China acoustics industry, and has won many technical patents, Shanghai Shenhua Acoustics Equipment Co., Ltd.)
Yixin (Shanghai Yixin Environmental Protection Technology Development Co., Ltd.) is an enterprise specializing in noise control research/environmental purification control research and production, processing and installation services of ventilation and sound insulation doors and windows.
Zheng Sheng Zisen (Sichuan Zheng Sheng Acoustics Technology Co., Ltd.) (a professional provider of noise control system solutions, with the largest acoustic laboratory in Southwest China, a high-tech enterprise, Sichuan Zheng Sheng Acoustics Technology Co., Ltd.)
Hanks Hanex (Hangzhou Hanks Sound Insulation Technology Engineering Co., Ltd.) (a leader in noise control technology and sound insulation and noise reduction industry, one of the earliest enterprises in China to develop full-frequency sound insulation doors and windows, Hangzhou Hanks Sound Insulation Technology Engineering Co., Ltd.)
BECALUS Beikeluo (Guangdong Mei Hao Aluminum Co., Ltd.) (Guangdong Beikeluo Curtain Wall Door and Window System Co., Ltd., the leading supplier of R&D/ manufacturing/sales system doors and windows and curtain wall solutions in China)
Lvchuang Greentech (Beijing Lvchuang Acoustics Engineering Co., Ltd.) (the backbone enterprise of Lvchuang Environmental Protection Group, a famous trademark in Beijing, a leading environmental protection enterprise for noise and vibration pollution control, and Beijing Lvchuang Acoustics Engineering Co., Ltd.)
Jingeryin JEY (Guangzhou Jingeryin Environmental Protection Technology Co., Ltd.) (a high-tech enterprise specializing in noise control research/sound insulation doors and windows/sound absorption glass film production, a well-known brand in the industry, Guangzhou Jingeryin Environmental Protection Technology Co., Ltd.)
Qingrong Jinlong (Beijing Qingrong Door & Window Curtain Wall Engineering Co., Ltd.) (Beijing Qingrong Door & Window Curtain Wall Engineering Co., Ltd., one of the earlier professional home improvement enterprises integrating design and construction of door & window curtain wall in Beijing).
Weigejia (Chengdu Weigejia Doors and Windows Co., Ltd.) (a professional door and window enterprise integrating R&D, design, production and sales, enjoying a high reputation in the industry for its high quality and leading technology, Chengdu Weigejia Doors and Windows Co., Ltd.)