BYK (Tongling) Co., Ltd. Beijing Branch Room 303, Building 2, No.99 Kechuang 14th Street BDA, Beijing, 101111 P.R. China 101111 Beijing

Phone +86 10 5975-5581/82/83 Fax +86 10 5975-5561

www.byk.com.cn info@byk.com.cn