Calcium Oxide, Calcium Hydroxide, Quicklime manufacturer / supplier in China, offering Agricultural Special Block Calcium Oxide: Soil Acid Adjustment, Sterilization, Cost-Effective Choice, Aquaculture Specific Quicklime for Water Quality Adjustment, High Purity 99.5% Low Iron Slaked Lime Hydrated Lime with 25kg Bag or 1ton Jumbo Bag and so on.