Why choose Hongxin

  • Advantages of large-scale production capacity
  • Technological R&D advantage
  • Resource and technological advantages
  • Quality and reputation advantages
1Annual production of 350,000 tons with stable supply

Hangzhou Hongxin Calcium Industry Co., Ltd. has an annual production capacity of 350,000 tons of calcium hydroxide and 200,000 tons of calcium oxide, with automated production ensuring long-term stable supply.

2Supported by 27 patented technologies

Possessing a provincial-level R&D center, 27 patents (including 4 inventions), and participating in the formulation of industry and group standards, we are leading in technological strength.

3High-quality ore sources + advanced equipment

Relying on the high-quality limestone resources in Jiande, we utilize large-scale automated shaft kilns and imported digestion equipment to ensure stable quality and high purity.

4ISO system + AAA credit

With ISO9001 certification, our factory has a 100% pass rate, and we are a AAA-rated enterprise that abides by contracts and values credit, ensuring low cooperation risks.

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