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
| Name | Chemical formula | Specification | Order |
| Ammonia | NH3 | 99.995%~99.99994% | Order |
| Special gases | Order | ||
| Argon | Ar | 99.999% | Order |
| Carbon Monoxide | CO | 99.9~99.99% | Order |
| Carbon Dioride | CO2 | 99.995% | Order |
| Carbonyl sulfide | COS | 99% | Order |
| Hydrogen | H2 | 99.99~99.999% | Order |
| Helium | He | 99.99~99.999% | Order |
| Hydrogen Sulfide | H2S | 99.9~99.995% | Order |
| Nitrogen | N2 | 99.99~99.999% | Order |