News

Home / News / Cast Iron Cookware That Stands the Test of Time: A Global Perspective from Shijiazhuang Zhengzhong Technology Co., Ltd. (Center Enamel)

Cast Iron Cookware That Stands the Test of Time:
A Global Perspective from Shijiazhuang Zhengzhong Technology Co., Ltd. (Center Enamel)

In the world of cookware, few materials have earned the trust, respect, and admiration of chefs and home cooks alike as cast iron. For centuries, cast iron cookware has been valued for its durability, exceptional heat performance, and versatility. Today, as consumers seek products that combine tradition, performance, safety, and design, enamel cast iron cookware has emerged as a premium choice.

As a global manufacturer with more than three decades of expertise, Shijiazhuang Zhengzhong Technology Co., Ltd., also known as Center Enamel, is proud to be at the forefront of enamel cast iron cookware manufacturing. Since our establishment in 1989, we have dedicated ourselves to producing high-quality, safe, and beautifully designed cookware for customers around the world.

The Enduring Value of Cast Iron Cookware

Cast iron cookware has long been celebrated for its outstanding cooking performance. Unlike many modern materials, cast iron heats slowly and evenly, retaining heat exceptionally well. This allows food to cook gently and uniformly, eliminating hot spots and enhancing flavor and texture.

Key advantages of cast iron cookware include:

Even heat distribution for consistent cooking

Superior heat retention, keeping food warm longer

Exceptional durability, often lasting for generations

Versatility, suitable for stovetop, oven, and serving

Energy efficiency, reducing cooking time and heat loss

When combined with a high-quality enamel coating, cast iron cookware becomes even more practical, hygienic, and visually appealing.

Why Enamel Cast Iron Cookware?

Enamel cast iron cookware represents the perfect fusion of traditional craftsmanship and modern technology. The enamel coating applied to cast iron offers several important benefits:

Non-reactive cooking surface

Enamel prevents iron from reacting with acidic foods, preserving taste and food safety.

Easy cleaning and maintenance

Unlike raw cast iron, enamel-coated cookware does not require seasoning and is resistant to staining and residue buildup.

Rust resistance

The enamel layer seals the cast iron, protecting it from moisture and corrosion.

Aesthetic appeal

With vibrant colors and glossy or matte finishes, enamel cast iron cookware enhances both cooking and table presentation.

At Center Enamel, we specialize in producing enamel cast iron cookware that delivers all these advantages while meeting the highest international standards.

About Shijiazhuang Zhengzhong Technology Co., Ltd. (Center Enamel)

Founded in 1989, Shijiazhuang Zhengzhong Technology Co., Ltd. has grown into a leading manufacturer of enamel cast iron cookware with more than 30 years of industry experience. Over the decades, we have built a reputation for reliability, innovation, and uncompromising quality.

Certifications and Compliance

Quality and safety are the foundation of our manufacturing philosophy. Our factory and products are certified to meet global requirements, including:

ISO9001-2015 Quality Management System

BSCI (Business Social Compliance Initiative)

Facility Security Certification

Food-grade testing compliance:

LFGB

DGCCRF

California Proposition 65

These certifications ensure that our cookware is safe, durable, and suitable for international markets.

A Comprehensive Range of Cast Iron Cookware

Center Enamel offers a wide and diverse range of enamel cast iron cookware, designed to meet the needs of different markets, cooking styles, and consumer preferences.

Our Product Categories Include:

Casseroles

Round casseroles

Shallow casseroles

Oval casseroles

Mini casseroles

Dutch Ovens

Grill Pans

Fry Pans

Skillets

Saucepans

Serving Dishes

Each product is available in classic and trendy designs, with multiple sizes, colors, and finishes to suit both traditional and modern kitchens.

Focus on Enamel Cast Iron Casseroles

Among our most popular products are our enamel cast iron casseroles, especially round casseroles. These are unexcelled for:

Even heat distribution

Superior heat retention

Gentle, uniform cooking

Stovetop-to-oven versatility

Our round casseroles, such as models CR14A, CR20A, CR22A, CR25A, CRG26A, and many more, are designed for everyday cooking as well as professional use. They are ideal for stews, soups, braised dishes, baking, and slow cooking.

Best of all, our casseroles are extremely heat efficient and compatible with all cooking surfaces, including gas, electric, induction, and oven use.

Advanced Enamel Cast Iron Cookware Production Process

At Center Enamel, quality begins long before a product reaches the kitchen. Our advanced, carefully controlled production process ensures consistency, durability, and safety at every stage.

1. Enamel Frits – Our Core Technology

One of our key strengths is our independently developed and produced enamel frits.
We are also a trusted enamel supplier to Midea, China’s largest small home appliance group.

Our enamel glaze:

Fully complies with food safety standards

Is designed for strong adhesion and durability

Enhances color stability and surface smoothness

This in-house capability allows us to maintain strict quality control and consistent product performance.


2. Foundry – Precision Machine Casting

More than 90% of our orders are machine-made, offering clear advantages over traditional methods:

Strong structural tightness

Excellent molding with minimal deformation

Greater suitability for enamel coating

More stable and reliable delivery schedules

Machine casting ensures uniform thickness, better heat performance, and long-term durability.

3. Polishing – Attention to Detail

After casting, each product undergoes meticulous polishing. Grinding removes uneven surfaces, burrs, and sharp edges, ensuring a smooth and flat casting surface.
Every piece is inspected one by one, reflecting our commitment to craftsmanship.

4. Blasting – Surface Preparation

Blasting removes surface impurities and prepares the cast iron for enameling. This step ensures:

Clean, smooth surfaces

Improved enamel adhesion

Higher overall coating quality

5. Spray and Enameling – Precision and Control

Our enameling process is highly controlled and technically advanced:

Three spray cycles for full-color products

One bottom glaze

Two surface glazes

Special matte glaze at sockets when required

Firing temperatures are precisely managed:

Bottom glaze: 770–790°C

Surface glaze: 740–765°C

This process ensures durability, color consistency, and resistance to chipping.

6. Strict Inspection and Quality Control

Before leaving our factory, every product undergoes comprehensive inspection, including:

Thermal shock tests

Steel ball impact tests

Acid resistance tests

Appearance inspections

Only products that meet our strict quality standards are approved for shipment.

OEM and ODM Services

Center Enamel is proud to support OEM and ODM orders for customers worldwide. Whether you are an established cookware brand, a retailer, a TV shopping company, or a distributor, we offer flexible manufacturing solutions.

We work closely with our partners to provide:

Custom designs

Private labeling

Color and size customization

Packaging solutions

Our goal is to help our customers succeed in their markets with reliable, high-quality cookware.

Serving Global Markets

Our enamel cast iron cookware is exported to more than 50 countries, including:

North America (USA, Canada)

Europe

Australia

Middle East

Southeast Asia

Domestic Chinese market

Our major customers include:

Famous international brands

TV shopping companies

Chain stores

Supermarkets and hypermarkets

Professional importers and distributors

This global presence reflects the trust customers place in our quality and service.

Commitment to Quality, Safety, and Sustainability

At Center Enamel, we believe that cookware is more than a product—it is part of everyday life. That is why we focus on:

Food safety compliance

Durable, long-lasting materials

Responsible manufacturing practices

Continuous innovation

Our enamel cast iron cookware is designed to reduce waste by lasting for many years, supporting a more sustainable lifestyle.

Looking to the Future

As global demand for premium cookware continues to grow, Shijiazhuang Zhengzhong Technology Co., Ltd. remains committed to expanding our capabilities, refining our designs, and strengthening partnerships worldwide.

We look forward to close cooperation with more partners and customers across the globe, delivering enamel cast iron cookware that combines traditional craftsmanship, modern technology, and timeless value.

Cast iron cookware has endured for generations because it delivers what cooks value most: performance, reliability, and versatility. At Center Enamel, we take pride in carrying this legacy forward through high-quality enamel cast iron cookware that meets modern standards of safety, design, and convenience.

With over 30 years of experience, advanced production technology, strict quality control, and a strong global presence, Shijiazhuang Zhengzhong Technology Co., Ltd. (Center Enamel) stands as a trusted partner for enamel cast iron cookware worldwide.

From the foundry to the kitchen, we are dedicated to helping people cook better, live better, and enjoy the art of cooking—one cast iron piece at a time.