United States of America (USA)：

OXAIR^® Ltd.

8320 Quarry Road. Niagara Falls, NY · 14304 - 1068

Tel: +1 (716) 2988288

Email: info@oxair.com

Hong Kong:

SHL New-Tec Limited

Rooms 1318-20, Hollywood Plaza, 610 Nathan Road, Mongkok, Kowloon, HK

Tel: +852 2710 8200

Cell: +49 1729826792; +49 17622157817

Email: shlnewtec@163.com