... portable, -20'C to +20'C temperature control cold chain containerproven dry-ice-based active temperature control system and ... multi-batch, small quantity shipmentAntifreeze, could warmer goods under extreme cold districtBattery could powered 72 hours(battery only power for ... : ±0.1°CGoods temperature difference±2°CRefrigerationDry ice cooling Cold chain container, -20'C to +20'C adjustable temp ...