2 Le Bang ROBOM (integrating sightseeing, escape, child protection and anti-theft, Changsha Le Bang Window Industry Co., Ltd.)
3JMS (top ten shutter brands, well-known brands in the industry, gaomi city JMS solid wood shutter Co., Ltd.)
Conch (key high-tech enterprise, one of the richest products in the same industry, Wuhu Conch Profile Branch)
5 Fukai (top ten security window brands, well-known brands in the industry, zinc and steel guardrail expert, Changsha Fukai Window Industry Co., Ltd.)
6 Beixin (Beixin Building Materials (Group) Co., Ltd., a comprehensive large enterprise group under China Building Materials Group)
7 Xiang Hao (famous door and window brand, top ten soundproof window brand, well-known brand in the industry, Shanghai Xiang Hao Computer Technology Development Co., Ltd.)
8 An Zhining (top ten security window brands, well-known brands in the industry, Hangzhou An Zhining New security window Co., Ltd.)
9 Aishang Airsun (China Top Ten Door and Window Brands, Four Venetian Brands, a well-known brand in the industry, Beijing Aishang Wood Industry Co., Ltd.).
10 shun xinsheng (top ten shutter brands, well-known brands in the industry, Beijing shun xinsheng glass shutter co., ltd.)