Standard sizes (LxDxH) and prices:
L=200mm
DB9: 200x200x200H mm (HKD 570/pc)
DB911: 200x200x250H mm (HKD 620/pc)
DB912: 200x200x300H mm (HKD 700/pc)
DB913: 200x200x350H mm (HKD 750/pc)
L=250mm
DB921: 250x200x200H mm (HKD 620/pc)
DB922: 250x200x250H mm (HKD 670/pc)
DB923: 250x200x300H mm (HKD 700/pc)
DB924: 250x200x350H mm (HKD 750/pc)
L=300mm
DB931: 300x200x200H mm (HKD 650/pc)
DB932: 300x200x250H mm (HKD 680/pc)
DB933: 300x200x300H mm (HKD 720/pc)
DB934: 300x200x350H mm (HKD 800/pc)
DB935: 300x250x200H mm (HKD 680/pc)
DB936: 300x250x250H mm (HKD 730/pc)
DB937: 300x250x300H mm (HKD 800/pc)
DB938: 300x250x350H mm (HKD 830/pc)
DB939: 300x300x200H mm (HKD 720/pc)
DB940: 300x300x250H mm (HKD 780/pc)
DB941: 300x300x300H mm (HKD 820/pc)
DB942: 300x300x350H mm (HKD 880/pc)