| Catalogue |
| Supplier | Country | Telephone |
| Nanjing Xianou Instruments Manufacture Co., Ltd. | China | +86 15605170099 |
| Nanjing Xianou Instruments Manufacture Co.,Ltd | China | +86 025 85590101 |
| Toption Group Co., Ltd | China | 0086 029 88763980 |
| ARC Filtration System Ltd | China | 0086 571 85026570 |
| ULUPURE | China | 028-65037512 |
| Amazon Filters Ltd. | United Kingdom | +44-1276-760600 |
| Merck KGaA | Germany | +49 (0) 6151 72-0 |
| Wiggens Co., Ltd. | China | +86 400-809-2068 |
| TOPTION INSTRUMENT CO., LTD | China | 0086-29-88763980 |
| Qingdao Haier Medical Product Division | China | +86 532 88936011 |
| INS Equipments Trading CO.,LTD. | China | 15952001427 |
| YK Scientific Instrument | China | 0086-15315750077 |
| Afind Instruments Co.,Ltd. | China | 0086-25-85890685 |
| Ablaze Export Incorporation | India | 0265 2570105 |
| SENGERTECH CORPORATION | India | +91-11-26941001 |
| Kertone Water Treatment Co., Ltd. | China | 0086-731-83299035 |
| Sartorius AG Shanghai Representative Office | China | +86.21.28986393 |