FAQ

When was Zhengzhou Huwei Refractory Materials Co., Ltd. established?

Zhengzhou Huwei Refractory Materials Co., Ltd. was founded in 1958, formerly known as the state-owned Xinmi Refractory Materials Factory, the first refractory material production enterprise in Zhengzhou. In 2001, it was restructured into a private joint-stock company, and in 2013, it became a wholly-owned subsidiary of Puyang Refractories Group Co., Ltd. (stock code: 002225). The company is now one of China's 500 largest building materials industrial enterprises.

What are your main products?

Huwei's main products cover eight series: high-grade magnesia, magnesia spinel, magnesia chrome, magnesia dolomite, aluminosilicate, mullite, corundum, and silicon carbide refractory materials. These include shaped refractory products (various refractory bricks) and unshaped refractory materials (castables, plastics, spray coatings, ramming mixes, etc.), as well as precast components and composite bricks.

What qualifications and certifications do you have?

The company has passed ISO9001, ISO14001, ISO45001, and ISO50001 management system certifications; its quality testing center has passed ISO/IEC 17025:2017 China National Accreditation Service for Conformity Assessment (CNAS); and its technology R&D center has been recognized as a provincial-level enterprise technology center and is the Henan Provincial Innovation Center for New Refractory Materials.

The company has successively won honors such as National Advanced Grassroots Party Organization, Top 500 Enterprises in China's Building Materials Industry, National Green Factory, National High-tech Enterprise, Class A Enterprise in the Performance Rating of the Ministry of Ecology and Environment, and Henan Provincial "Specialized, Refined, and Innovative" Enterprise.

What is the relationship between Huawai Refractory and Puyang Refractories Group?

Zhengzhou Huawai Refractory Materials Co., Ltd. is a wholly-owned subsidiary of Puyang Refractories Group (stock code: 002225). Relying on the group's R&D resources and management advantages, the company continuously improves product quality and technological innovation capabilities.

What is the annual production capacity?

The company has six modern refractory material production lines with an annual production capacity of over 200,000 tons of refractory materials. The company has a total of 698 sets of production, R&D, and testing equipment, including internationally advanced equipment such as a 2500T fully automatic hydraulic press, a 1250T vacuum press, and a 1900℃ ultra-high temperature tunnel kiln.

Can you provide customized refractory materials?

Yes. The company has a professional technical service team capable of independently designing refractory material drawings for various parts of kilns in various industries. Users only need to provide kiln drawings, and we can tailor the best technical solutions and product configurations based on factors such as kiln type, operating conditions, temperature, and material characteristics.

In which industries are your products mainly used?

Huawei products are widely used in the building materials industry (cement kilns, glass kilns), the steel industry (external refining furnaces, ladles, tundishes, electric furnaces, converters), the non-ferrous metals industry (copper, lead, zinc smelting furnaces), the chemical industry (titanium dioxide, lithium carbonate rotary kilns), waste (hazardous waste) incinerators, lime kilns, and other thermal equipment.

Can you provide a 'one-stop' service?

Yes. Huawai provides a one-stop service for integrated energy-saving and environmentally friendly refractory materials for cement kilns, glass kilns, and lime kilns; and offers comprehensive services including design, installation, construction, and maintenance of long-life, energy-saving, and environmentally friendly refractory materials for RH, AOD, VOD ladle refining furnaces and non-ferrous smelting equipment.

What does after-sales service include?

Huawai has established a service system covering the entire product lifecycle:
Pre-sales service: Refractory material selection advice, brick design and drawings, customized technical solutions.

In-sales service: Timely supply, full traceability of product quality, on-site technical guidance.

After-sales service: 24-hour service hotline, free training for construction personnel, kiln construction, kiln maintenance services, continuous technical tracking and support.

Service philosophy: Win-win integrity is the ethical principle of our business; customer satisfaction is the work standard of Huawai employees.

How does the maintenance service operate?

The company has established a professional maintenance team and has signed strategic cooperation agreements with professional kiln maintenance manufacturers, enabling it to provide users with professional kiln maintenance services. "Keeping our word" has been Huwei's best commitment to users since 1990.

What are Huwei's representative products in the cement industry?

Huwei has over 40 years of professional service experience in the field of refractory materials for cement kilns. Representative products include:

* Magnesia-ferroalumina spinel bricks (Patent No. ZL201110452288.2): Used in the firing zone of cement kilns, possessing good structural toughness and kiln lining adhesion properties.

* Pernicopterite-spinel bricks (Henan Province High-Tech Product): Used in the transition zone, high strength, strong wear resistance, and anti-stripping properties.

* Low thermal conductivity mullite bricks: Thermal conductivity as low as 1.1-1.3 W/(m·K), cylinder temperature 60-80℃ lower than traditional products.

What are Huwei's successful cases in the steel industry (ladle refining furnace)?

Huwei products set a world record of 525 heats on Nippon Steel's 60t AOD furnace in Japan. At Riva Steel in Italy, Huwei's high-density, anti-stripping electrofused reconstituted magnesia-chrome composite spinel bricks used in the RH refining furnace achieved a service life of 180-220 cycles in the impregnation tube and 350-400 cycles in the lower vacuum chamber.

What are Huwei's core products in the non-ferrous metals industry?

Huwei's independently developed special magnesia-alumina-chrome composite spinel bricks (patent number ZL200710189925.5, Henan Province High-tech Product) have been applied in the reaction zones of large zinc volatilization kilns at companies such as Yuguang Zinc Industry, Southern Nonferrous Metals, Luoping Zinc & Electricity, and Zijin Mining, with a service life exceeding one year, setting a domestic record of 798 days.

Furthermore, electrofused reconstituted magnesia-chrome bricks (patent number ZL200710189926.X) have achieved internationally advanced service life in equipment such as ISA furnaces, flash furnaces, and anode furnaces.

What solutions does Huwei offer for the waste (hazardous waste) incineration industry?

Huwei chromium corundum bricks (patent number ZL201210006881.9) are made from corundum and chromium oxide as the main raw materials, with the addition of nanocomposite materials through a special process. They have been used in hazardous waste incinerators by large environmental protection companies such as Beijing Runtian, Yongqing Environmental Protection, Zhongtian Environmental Protection, and China Energy Conservation and Environmental Protection Group, achieving a service life at an internationally leading level. Chromium-zirconium corundum bricks, with the addition of zirconium oxide, are particularly suitable for rotary hazardous waste incinerators subject to severe acid and alkali corrosion.

What are Huwei's achievements in the lime industry?

Huwei magnesia-alumina spinel bricks (pericarpegite-spinel bricks) have been used in the calcination zones of 600T/D-1200T/D lime kilns in large lime enterprises such as Huoyanshan in Wu'an, Hebei; Honghuo in Anyang; Jinchang Mining; and Shagang in Jiangsu, achieving a service life of over two years, reaching an internationally advanced level. When low thermal conductivity mullite bricks are used in a Φ5.1×72m lime kiln, the cylinder temperature is 50-60℃ lower than that of silica-mullite bricks.

How many patents do you have?

To date, Huwei has accumulated 8 invention patents and 44 utility model patents. Core patents cover multiple fields including cement kilns, ladle refining furnaces, non-ferrous smelting, and waste incineration.

What are your R&D capabilities?

Huwei's R&D center has been recognized as a provincial-level enterprise technology center and is the Henan Provincial New Refractory Materials Innovation Center. In 2023, a Refractory Materials Innovation Center was established based on the provincial-level enterprise technology center. The company has long maintained research cooperation with research institutes and universities, actively exploring a collaborative mechanism between industry, academia, and research. Currently, cooperating universities include: Beijing University of Science and Technology, Wuhan University of Science and Technology, and Xi'an University of Architecture and Technology.

Can you provide refractory material design drawings?

Yes. The company has a professional technical service team capable of independently designing refractory material drawings for various parts of kilns in various industries. Users only need to provide kiln drawings, and we can tailor the best technical solutions and product configurations based on factors such as kiln type, operating conditions, temperature, and material characteristics.

What are your testing capabilities?

Our company's quality testing center is accredited by the China National Accreditation Service for Conformity Assessment (CNAS) according to ISO/IEC 17025:2017, possessing the capability to undertake testing and calibration services for refractory materials. The center is equipped with advanced testing equipment such as electron microscopes, X-ray diffractometers, X-ray fluorescence analyzers, high-temperature flexural strength testing machines, and creep testing machines.

To which countries and regions do Huwei Refractory Materials export?

Huwei products are sold in 31 provinces, municipalities, and autonomous regions in China, and exported to countries and regions such as Europe, the United States, Japan, Russia, Vietnam, South Korea, India, and Brazil.

Can you guarantee on-time delivery?

Yes. Huwei is a "National Green Factory" and a "Class A Enterprise in Key Industries for Heavy Pollution Weather Performance Rating" in Henan Province. Our production and operation are not affected by environmental protection controls, and we can fully guarantee the delivery time for our users. The lead time for standard products is 30–60 days, depending on the product and quantity. For urgent orders, we can prioritize production and expedite delivery.

How should refractory materials be stored?

Huawei recommends that customers store refractory materials according to the following requirements:

Store in a covered, ventilated, and dry warehouse, protected from moisture and rain;

Stacking should ensure quality, stability, and safety, facilitating inventory, handling, and hoisting operations;

Refractory products should be stacked separately according to material, grade, and brick number;

The stacking height of palletized plastic packaging should not exceed 3m.

What is the shelf life of Huawai's refractory materials?

The shelf life varies depending on the type of product.

Material type

Humid environment (after opening the packaging)

Dry environment (unopened packaging)

alkaline shaped products

3 months

12 months

Aluminum silicate series shaped products

12 months

36 months

Castable refractory, fire clay

3 months

6 months

How can I contact Huawei for a quote or technical support?

You can contact us through the following methods: Service Hotline: +86 19059617888, +86-371-63131888 Technical Support Hotline: +86 13938238988 Email: To be determined Company Address: Yuecun Town, Xinmi City, Zhengzhou City, Henan Province (Postcode: 452374)

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