Hydrogom is manufacturer of the well known "Hydrogom Valve". There is a nice photo shoot to see part of the production process.

Hydrogom decided to use two dealers for the sales of the valves. These dealers are:

TECME GERMANY
http://www.tecme.de

   direct link to CMF-page HERE
 

THEREBREATHERSITE NETHERLANDS
http://www.therebreathersite.nl

direct link to CMF-page HERE