4F, Building 3, Zhongyuan Science Plaza, No. 53 Courtyard, Xiaoyingbei Road, Chaoyang District, Beijing Municipality
Address:
4F, Building 3, Zhongyuan Science Plaza, No. 53 Courtyard, Xiaoyingbei Road, Chaoyang District, Beijing Municipality
TEL
8610-84109559
FAX
patentsino@patentsino.com