1. All-in-one design, Open and simple. 2. H-tree column distribution system assures the separation and stability. 3. New hydraulic system design decreases the height (within 2.5m) and weight; it makes installation and maintenance easier. 4. New piston driving mode avoids sample contamination. 5. Full validation document, such as DQ, FAT, SAT, IQ, OQ and PQ.