- Shenzhen Weiguan Views Technology Co., Ltd.
- Address:Building A8, Silicon Valley Power New Materials Industrial Park, No. 20, Dafu Industrial Zone, Aobei Community, Guanlan Street, Longhua New District, Guangdong,Shenzhen,China (Mainland)
- Quzhou Valiant Machinery Co., Ltd.
- Address:No.2 nanshan road,Quzhou city,Zhejiang province