Add：No.34, Ganbei Road, Ganjingzi, Dalian, China
Post Code：116031
Tel：0411—85961069
E-mail：gmy@gmgas.com
Fax：0411—86672406
website:www.gmgas.com
◆products of specialty gases
◆microelectronics
◆photoelectron base source material
◆gases and supercritical fluid engineering design and equipment
◆cryogenic engineering technology
◆water treatment engineering and technology
◆heat insulation energy saving engineering technology