Germany office: 

Bigbahn GmbH

Am Sportpark 4, 97246, 

Eibelstadt, Deutschland

Tel.: +49 931 780 1212 6

Fax.: +49 931 452 888 1

Email: info@bigbahn.de

China office: 

Bigbahn GmbH / Byway Tech (Shanghai) Co., Ltd

Room 602, Building No. 2, No. 2568 Gudai Road, 

Minhang District, 201199, Shanghai China

Tel: +86 21 6306 5558

Email: info@bywaytech.com