Zhengzhou Kewei Refractories | One-Stop Refractory Materials Supplier

Founded in 1984, we are a long-established manufacturer with 42 years of experience across the entire industrial chain, based in Xinmi, Henan—known as the “Refractory Capital of China.” We are a national-level high-tech and green factory, and a one-stop service provider (physical manufacturer) offering in-house material production, self-operated construction, and comprehensive maintenance services.

I. Corporate Strengths

Certifications: ISO 9001; Grade 2 certifications for metallurgical, environmental protection, and anti-corrosion/thermal insulation construction; CNAS accreditation; 26 patents; National-Level Green Factory; High-Tech Enterprise.

Scale: Registered capital of 80 million yuan; covers an area of nearly 40,000 square meters; employs 315 staff members.

Production Capabilities:

Shaped Refractories: 6 calcining kilns + 3 tunnel kilns + 2 shuttle kilns.

Unshaped Refractories: 2 fully automated production lines.

Equipment: 26 CNC presses (315–1,200 metric tons), standardized laboratory.

II. Full Product Range Coverage (Shaped + Unshaped + Insulation + Auxiliary Materials)

1. Shaped Refractory Bricks (Core Strength)

High-alumina bricks (LZ-55/65/75/80), phosphate bricks (for cement and lime kilns).

Silica-mullite bricks, low-porosity clay bricks, corundum/mullite bricks, magnesium-aluminum spinel bricks, and anchoring bricks.

Temperature Resistance: 1580–1770°C; suitable for cement rotary kilns, lime kilns, heating furnaces, and electric arc furnaces.

2. Unshaped Refractory Materials

Castables: Steel fiber, corundum-mullite, high-strength lightweight, ultra-low-cement, explosion-proof, and wear-resistant castables.

Rammed refractories, spray coatings, refractory mortars, and precast blocks (custom shapes available).

3. Lightweight Insulation and Auxiliary Materials

Mullite expanded clay bricks, high-alumina insulation bricks, alumina hollow sphere bricks, and refractory fiber products.

Insulation wool, alumina-silicate fibers, binders, sealing materials, etc.

III. One-Stop Service (R&D → Production → Construction → Maintenance → General Contracting)

1. Technical Consultation and Solution Design: Free operating condition diagnosis, brick type selection, lining design, thickness optimization, and material matching.

2. Customized Production: Non-standard and custom-shaped bricks, precast components, and special formulations (alkali-resistant, anti-spalling, wear-resistant).

3. Kiln Construction:

New construction, major overhauls, and hot repairs: rotary kilns, lime kilns, sleeve kilns, heating furnaces, and incinerators.

Masonry, casting, spraying, kiln drying guidance, and hot repairs.

1. Maintenance and After-Sales Service: Regular inspections, repairs and replacements, technical training, and 24-hour response.

2. Turnkey Contracting: Comprehensive kiln design + materials + construction + kiln drying + maintenance and repair—a complete turnkey solution.

IV. Advantages

End-to-End Closed-Loop Process: Self-supplied raw materials → Production → Construction → Maintenance and Repair—no middlemen, high cost-effectiveness, and short project timelines.

Strong Adaptability to Operating Conditions: 42 years of industry data + proprietary formulations, precisely tailored for cement, lime, metallurgy, and hazardous waste incineration.

Controllable Quality: Full-process quality inspection + laboratory testing; reports provided for every batch; compliant with both national and industry standards.

Stable Delivery: Ample inventory; standard bricks delivered in 3–15 days; custom orders in 15–30 days.

V. Typical Application Industries and Furnace Types

Building Materials: Cement rotary kilns (preheaters, decomposition chambers, calcination zones), lime kilns (sleeve kilns, Melz kilns, vertical kilns).

Metallurgy: Blast furnaces, hot blast stoves, heating furnaces, electric furnaces, coke ovens, mineral electric furnaces.

Chemical and Power Industries: Gasifiers, boilers, incinerators, reactors.

Environmental Protection: Hazardous waste and municipal solid waste incinerators, regenerators.

Zhengzhou Kewe Refractories = Full-range refractory production + professional kiln construction + lifetime technical maintenance. As a full-scale manufacturer and one-stop refractory supplier in the Central Plains region, we are particularly well-suited for new construction and major overhaul projects in the cement, lime, metallurgy, and environmental incineration industries.