| Catalogue |
| Supplier | Country | Telephone |
| Cosmo Biotek,INC | United States | +1 (650) 713-9809 |
| Shandong Saikesaisi Hydrogen CO., Ltd | China | +8618615696905 |
| Faithful Instrument (Hebei) Co.,Ltd | China | +86-0317-5337349 |
| Hangzhou Yooning Instrunents Co.,Ltd. | China | 0571-86907383 |
| A & E Lab | China | 86-18802093310 |
| Zhejiang TOP Cloud-agri Technology Co., Ltd | China | +86-571-86062776 |
| Tongcheng Tianbai Plastic Co.,Ltd | China | 0551-62939578 |
| Asynt Ltd. | United Kingdom | +44 (0)1638 781 709 |
| Eppendorf SE | Germany | +49 40 53 801 - 640 |
| LAMBDA Instruments GmbH | Switzerland | +41 444 50 20 71 |
| Specialised Imaging Ltd. | United Kingdom | +44-1442-827728 |
| Pbigp | United Kingdom | +1-866-598-1553 |
| Channel Scientific Instruments | China | 86-10-62111044 |
| CEM Corporation | United States | 1(704)821-7015 |
| Shenzhen Medico Technology Co., Ltd. | China | 13410551641 |
| Future Chemistry Technology Ltd. | China | +8610 63284709 |
| channel technology | China | 15611261324 |
| Channel Technology Group | China | 15611261324 |
| Channel Scientific Instruments Co., Ltd. | China | 15611261324 |
| Channel Scientific Instruments Co.,Ltd. | China | 15611261324 |