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Sulfur-autotrophic denitrification filter media


Sulfur‑autotrophic denitrification material is a novel substance with high efficiency in removing nitrogen pollutants, capable of reducing nitrate to nitrogen gas while releasing sulfate. It boasts advantages such as high performance, environmental friendliness, and renewability.

Sulfur-autotrophic denitrification filter media


Sulfur‑autotrophic denitrification material is a novel substance with high efficiency in removing nitrogen pollutants, capable of reducing nitrate to nitrogen gas while releasing sulfate. It boasts advantages such as high performance, environmental friendliness, and renewability.

Sulfur-autotrophic denitrification filter media


Sulfur‑autotrophic denitrification material is a novel substance with high efficiency in removing nitrogen pollutants, capable of reducing nitrate to nitrogen gas while releasing sulfate. It boasts advantages such as high performance, environmental friendliness, and renewability.

Tin-titanium alloy sand, 2–3 mm


Tin–titanium alloy sand, also known as silicon–titanium alloy sand, ferrosilicon–titanium alloy sand, silicon–titanium alloy sand, or selenium–titanium alloy sand, is produced by smelting in a high‑temperature electric furnace, followed by crushing and screening to obtain alloy sand particles. It is available in a variety of specifications and can be customized according to customer requirements.

Good News! Hengkai Metallurgy Wins Two Prestigious Industry Awards, Setting a Dual Benchmark for Innovation and Integrity


All-China Federation of Hardware and Electrical Machinery Association Abrasives and Grinding Tools Committee List of “2025 Integrity Brand Enterprises”

Warm congratulations to the Abrasives and Grinding Tools Committee of the All-China Federation of Hardware, Machinery and Electrical Equipment Industry for its Integrity Brand Enterprise!


The Association’s selection of “Integrity Brand Enterprises” has been warmly welcomed by our members and widely recognized by the public. To encourage member enterprises to steadfastly pursue independent innovation in an exceptionally competitive market environment, leverage innovative products to expand into new markets, and uphold ethical business practices; to foster a stronger sense of corporate social responsibility; to highlight exemplary models; and to continuously enhance overall corporate strength and core competitiveness—thereby advancing high-quality enterprise development—we are now announcing the list of member enterprises honored with the title of “2025 Integrity Brand Enterprise.” We extend our warmest congratulations to all enterprises on the list!

Moving Forward with Glory, Building the Future Together—The 3rd Session of the 2nd Membership Conference of the Henan Flooring Association


The Kaifeng Grand Event is filled with double joy! At the recently concluded Third Session of the Second Membership Congress of the Henan Flooring Association, Luanchuan County Hengkai Metallurgical Materials Sales Co., Ltd. not only had the honor of being the title sponsor of this grand event but also clinched three prestigious awards in one fell swoop!

In addition to copper agent market trend analysis: focus on 2024 outlook.


In addition to copper agent market trend analysis: focus on 2024 outlook.

Recent Related Consultation of Iron Sulfide


According to reports, iron sulfide is an important mineral resource, widely used in metallurgy, building materials, chemical and other fields. At present, most of the world's iron sulfide is concentrated in Australia, Brazil and other countries, while China has always relied on imports to meet domestic demand. The discovery of iron sulfide will change this situation, providing China with more mineral resources, which is expected to reduce its dependence on imports and promote the development of China's mining industry.

Iron sulfide or become the key to clean energy in the future


Iron sulfide is a kind of iron and sulfur containing ore, common pyrite, pyroxite and so on. In the past, iron sulfide was mainly used in industrial environments such as coal mine gas treatment and wastewater purification. However, the latest research shows that iron sulfide has greater potential.

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