Sangreal Technology Co., Ltd. & Sangreal Electric Co., Ltd.
Address: #101-73，Unit 2, 11 Xinyusan Street, Tongzhou District, Beijing, China
E-mail: shi@sr-electric.com
Address: #101-73，Unit 2, 11 Xinyusan Street, Tongzhou District, Beijing, China
E-mail: shi@sr-electric.com