Bir üst Kategori : 2804 - Hidrojen, asal gazlar ve diğer ametaller:
| Firma Adı * | Şehir / Bölge | Ülke |
|---|---|---|
| V******************************************** | Hong Kong | Hong Kong (CN) |
| M*************** | Dist:Valsad (Gujarat) | Hindistan |
| P************************* | Indonesia | Endonezya |
| О********** | Russia | Rusya |
| A******************* | Pune,Maharashtra | Hindistan |
| P******************* | Indonesia | Endonezya |
| P*********************** | Mexico-Iztacalco-Distrito Federal | Meksika |
| S********************* | Village - Dared/Gujarat | Hindistan |
| T**************************************** | IN - Pune | Hindistan |
| М********************* | Switzerland | İsviçre |
| R************************************************* | China | Çin |
| C************************************************* | . | Hong Kong (CN) |
| C******************** | India | Hindistan |
| О************** | Russia | Rusya |
| О*************** | Russia | Rusya |
| F********************************* | São Paulo - SP | Brezilya |
| S******************************* | Canada | Kanada |
| S********** | Santafe De Bogota | Kolombiya |
| M******************** | Czech Republic | Çek Cumhuriyeti |
| P****************** | Indonesia | Endonezya |
| G******************************* | Jiutepec-Morelos | Meksika |
| О******************* | Russia | Rusya |
| О********** | Russian Federation | Rusya |
| L******* | United Kingdom | İngiltere |
| N************* | United Kingdom | İngiltere |
| D************************** | Us - United States | Amerika Birleşik Devletleri |
| H************************ | Alabama | Amerika Birleşik Devletleri |
| I*********************** | Us - Illinois | Amerika Birleşik Devletleri |
| R******************** | United States | Amerika Birleşik Devletleri |
| N*********************************** | Viet Nam | Vietnam |