Richeng Headquarter in China
Phone +86-756-3378517
Fax +86-756-3347717 
E-mail richeng@globalmarket.com 
Post:  Richeng Global Headquarters
RICHENG BLD, No.5 Nanshan Industrial Zone,
10 Shihua 3rd Street,
       Jida, Zhuhai, China 519015

Our global distribution facilities in the US and Europe ensure complete quality control and offer first class technical support:
 

ECOI US Supplies, INC.
Phone 909 466 6573
e-mail: ecoi.service@gmail.com
Add: 9350 7th St, Unit A, Rancho Cucamonga, CA 91730, USA

ECOI EUROPE S.L.
Add: C/Tecnologia, 14 Gelves 41120, Sevilla, Spain