庄盟生物公司生产的DNA Marker现有4个系列（优化组合系列、DNA Ladder、DL、酶切系列）和两个种类（单一片段组合型、传统的酶切型）。
所有的DNA分子量标准都已加入上样缓冲液，可直接上电泳，十分方便。其带型稳定清晰，-20℃可保存一年以上，如果经常使用，则可入到4℃保存。
| DNA Marker I | DNA Marker II | DNA Marker III | DNA Marker IV | DNA Marker V | |||||
| 50T | 70 | 50T | 70 | 50T | 70 | 50T | 70 | 50T | 70 |
| 50T×5 | 300 | 50T×5 | 300 | 50T×5 | 300 | 50T×5 | 300 | 50T×5 | 300 |
| DNA Marker VI | DNA Marker VII | 50bp Marker | 50bp plus Marker | 100bp Marker | |||||
| 50T | 70 | 50T | 70 | 50T | 70 | 50T | 90 | 50T | 90 |
| 50T×5 | 300 | 50T×5 | 300 | 50T×5 | 300 | 50T×5 | 400 | 50T×5 | 400 |
| 100bp plus Marker | 200bp Marker | 250bp Marker | 300bp Marker | 500bp Marker | |||||
| 50T | 90 | 50T | 90 | 50T | 90 | 50T | 90 | 50T | 90 |
| 50T×5 | 400 | 50T×5 | 400 | 50T×5 | 400 | 50T×5 | 400 | 50T×5 | 400 |
| 1kb Marker | 1kb plus Marker | DL15000 | DL15000 plus | DL2000 | |||||
| 50T | 70 | 50T | 90 | 50T | 70 | 50T | 90 | 50T | 70 |
| 50T×5 | 300 | 50T×5 | 400 | 50T×5 | 300 | 50T×5 | 400 | 50T×5 | 300 |
| DL2000 plus | λDNA/Hind Ⅲ | pUC19 DNA/MspI | |||
| 50T | 80 | 50T | 90 | 20T | 90 |
| 50T×5 | 330 | 500T | 800 | 50T | 200 |