Main products are Environment protection calcium hydroxide, Refined calcium hydroxide, Superfine calcium oxide, Refined Calcium oxide, Calcium oxide for drying masterbatch, Industrial Calcium oxide and Block Calcium oxide, etc.

Refined calcium hydroxide
The effective calcium hydroxide content is more than 95%, with very few impurities and high whiteness, making it suitable for stabilizers, additives, etc.
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Superfine calcium hydroxide
The fineness is 400 mesh, and the effective calcium hydroxide content is more than 95%, which is suitable for stabilizers, additives, etc.
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Refined calcium hydroxide
The effective calcium hydroxide content is more than 95%, the fineness is 325 mesh, and the whiteness is high, which is suitable for chemical reactions, sewage purification, building materials, etc.
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Environment protection calcium hydroxide
The effective calcium hydroxide content is more than 90%, the fineness is 200 mesh, and it is widely used in flue gas desulfurization, sewage treatment, etc.
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Common calcium hydroxide
The effective calcium hydroxide content is more than 85%, the fineness is 200 mesh, and it is widely used in building insulation, sewage treatment, acid water neutralization treatment, soil structure improvement, etc.
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Superfine calcium oxide
This product has high effective calcium oxide content, fine fineness, and few impurities, and is widely used in plastic products such as moisture absorbers, moisture-proof agents, chemical synthesis, medicine, food additives, and sucrose production.
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Industrial Calcium oxide
It is widely used in flue gas desulfurization, garbage incineration, wastewater purification treatment, building materials, chemical synthesis, desiccant, non-ferrous metal smelting and other fields.
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Refined Calcium oxide
It is widely used in chemical synthesis, pesticides, food, petrochemical, tanning, desiccant, waste incineration, sewage treatment and other fields.
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Block Calcium oxide
It is widely used in calcium carbide production, desiccant, building materials, chemical synthesis, non-ferrous metal smelting and other fields.
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Hangzhou Hongxin Calcium Industry Co., Ltd. is located in the industrial functional area of Lijia Town, Jiande City, the "hometown of calcium carbonate in China", and is an enterprise specializing in scientific research, production and sales of calcium hydroxide and calcium oxide, a National high-tech enterprise and a key backbone enterprise in Jiande City. It has formed a production capacity of 300,000 tons/year of calcium hydroxide and 150,000 tons/year of calcium oxide.
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Up to now, the company has obtained certificates such as high-tech enterprise and science and technology small and medium-sized enterprise in Zhejiang Province
Up to now, the company has got the certification of ISO9001 quality management system



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