Hunan Haozhi Nano Technology Co., Ltd. was an enterprise that focuses on R&D, production and sales of PDLC smart products. Head Quarter is located in Tianxin Dist, Changsha; R&D center is in Yuhua dist, Changsha and manufacturing base stands in Qiyang Technology Zone, Yongzhou city, which covers an area of 23,248 sqms with standard workshops and advanced equipments.