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Hongyu calcium oxide manufacturing facility established in 1984 with professional production lines
CHANGSHU HONGYU WAS FOUNDED IN 1984
 
As a leading supplier of calcium in China, we provide comprehensive support to our customers in various fields.Through our professional sales team, extensive supplier network, and strong market share, we are able to provide high-quality one-stop services.
Industrial calcium hydroxide and oxide applications in chemical and petroleum processing systems
APPLICATION
Adopting new technologies to produce industrial, chemical, and petroleum additives for lime products such as calcium hydroxide and calcium oxide, which are highly welcomed by users.
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High-purity calcium oxide powder and light calcium carbonate products in laboratory testing
OUR PRODUCTS
The factory can also organize the required varieties according to the different requirements of users on product quality, ensure the quality and deliver on time.
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Focusing On High-content & High-fineness Calcium Compounds For 40 Years

Changshu Hongyu was founded in 1984, we mainly produce calcium oxide, calcium hydroxide and other products, the daily production of 200 tons, the products are exported to the world famous chemical enterprises. 
Adopting new technologies to produce industrial, chemical, and petroleum additives for lime products such as calcium hydroxide and calcium oxide, which are highly welcomed by users. We have our own mine in Hubei Province and invest in a New company in 2023: Carlison New Materials (Jingshan) Co., Ltd. It covers an area of 20000 square meters.
The new company focuses on the production of fine chemical, medical, food grade calcium oxide, calcium hydroxide products.As a leading supplier of calcium in China, we provide comprehensive support to our customers in various fields.Through our professional sales team, extensive supplier network, and strong market share, we are able to provide high-quality one-stop services.
Professional calcium oxide and hydroxide manufacturer facility with high-purity powder products
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Years Of Industry Experience
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Employees​​​​​​​

Calcium-based Solutions To Meet The High-Tech Requirements

The company has three processing lines, more than 100 tons of lime products per day. 
Production of calcium hydroxide, calcium oxide and other products, the quality of the enterprise’s internal control standards.

Products

We produce high quality calcium oxide and calcium hydroxide, and our hot selling products are favored by the market for their excellent quality and wide range of applications.
product

Calcium Oxide

Calcium oxide is an inorganic compound which is known as quicklime. The product can be used as filler, soil amendment, construction materials, wastewater treatment and so on.
product1

Calcium Hydroxide

Calcium hydroxide is an inorganic compound which is commonly known as hydrated lime. Calcium hydroxide is used in the manufacture of bleaching powder, hard water softener ...
product2

Calcium Carbonate

Calcium carbonate is widely used in paper, paint, paint, cable, building supplies, food, medicine, textile, feed, toothpaste and other daily chemical industry.

Applications

Our products are widely used in industry, agriculture, construction, environmental protection, chemical industry, food and other fields. It has brought great convenience to our production and life.
Construction, Metallurgy Industry

Construction, Metallurgy Industry

It plays an important role in the construction field, which is used to improve the water holding performance of mortar.It can also be used as a raw material for coatings, mortar, lime soil and other materials. In the metallurgical industry,it is used in the oxygen steel making process and the production of aerated concrete blocks.
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Agricultural Industry

Agricultural Industry

It can be used as a soil conditioner to improve soil pH,calcium supply and increase crop yield and quality.
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Environmental Protection

Environmental Protection, Purification Industry

As an important water purification agent, it can be used to purify sewage and reduce the concentration ...
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Food And Feed Industry

Food And Feed Industry Applications

As a food additive, it can be used to make tofu, bread, cake, cheese and other foods.It can also be used to increase the content of calcium in animal feed.
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Paper Industry

Paper Industry

Used to remove impurities in pulp and bleaching, prevent paper deterioration.
 
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Medical Use

Medical Use

Medical science shows that calcium deficiency in human body can cause a series of physiological problems ...
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DIGITAL SHOWROOM

If you want to learn more about our manufacturing capabilities, you can click on the avatar in the scene, or accept my invitation!

News​​​​​​​

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2026-09-03

How Calcium Hydroxide Quality Affects Calcium Hypochlorite Production Efficiency and Product Stability

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2026-09-03

How Calcium Hydroxide Quality Affects Calcium Hypochlorite Production Efficiency and Product Stability

Unlock stable 65-70% calcium hypochlorite production with high-purity, low-iron calcium hydroxide to maximize yield and extend shelf life.

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2026-09-13

Calcium Hydroxide for Calcium Stearate Manufacturing: Key Specifications Buyers Should Evaluate

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2026-09-13

Calcium Hydroxide for Calcium Stearate Manufacturing: Key Specifications Buyers Should Evaluate

Maximize calcium stearate yields and prevent PVC defects. Discover critical calcium hydroxide specs for purity, particle size, and trace impurities.

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2026-09-03

Meet Hongyu Calcium at ICIF China 2026 – Booth E6K07

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2026-09-03

Meet Hongyu Calcium at ICIF China 2026 – Booth E6K07

hangshu Hongyu Calcium Co., Ltd. will exhibit at ICIF China 2026 from September 15–17, 2026, at the Shanghai New International Expo Centre (SNIEC). Visit us at Booth E6K07 to explore calcium hydroxide, calcium oxide and calcium carbonate solutions for chemical manufacturing and other industrial appl

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As a leading supplier of calcifiers in China, we rely on a professional team to provide comprehensive support to our customers. We work closely with our partners to help our customers achieve more.

Contact Us

Phone/whatsapp: +86-15250326132 
phone/whatsapp:+86-15150366616
phone/whatsapp:+86-18357307156
E-Mail:  zhou@cshyghw.com
E-Mail:sarah@cshyghw.com
E-Mail:lydia@cshyghw.com
Skype: lousong1030 
Add: Kangbo village, Guli Town, Changshu City, Jiangsu Province.

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