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Premium Mineral Solutions for Global Industries

Jiezao is a trusted supplier of high-quality vermiculite, perlite, zeolite, and magnesium fertilizer with nearly 20 years of expertise in mineral export. We deliver excellence in quality, service, and reliability to clients across Japan and beyond.

Mineral Loading
16+
Containers Shipped Monthly
Zeolite Close-up

About Jiezao

HANGZHOU JIE ZAO IMP & EXP CO., LTD. is a professional import and export company specializing in non-metallic mineral products with nearly 20 years of experience.

We maintain long-term partnerships with multiple manufacturing facilities in China, enabling us to supply vermiculite, expanded vermiculite, expanded perlite, zeolite, magnesium fertilizer, and more. Our strict quality control ensures that every product meets international standards.

Currently serving major clients in Japan and expanding globally, we ship approximately 16 containers per month. With a commitment to "quality first, customer first," we aim to build lasting partnerships worldwide.

Our Mission

"To deliver high-quality mineral products with excellent service, on-time delivery, and competitive pricing—building win-win partnerships with customers and partners around the world."

Our Products

We offer a wide range of high-purity mineral products tailored for industrial, agricultural, and horticultural applications.

Silver Raw Vermiculite

Silver Raw Vermiculite

High-grade raw vermiculite with excellent expansion properties, ideal for industrial insulation and construction materials.

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Silver Expanded Vermiculite

Silver Expanded Vermiculite

Lightweight, fire-resistant expanded vermiculite used in horticulture, packaging, and thermal insulation.

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Expanded Perlite

Expanded Perlite

Sterile, pH-neutral expanded perlite for soil aeration, hydroponics, and filtration systems.

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Magnesium Sulfate

Magnesium Sulfate (Fertilizer)

High-purity magnesium sulfate used as a fertilizer to correct magnesium deficiency in crops.

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Zeolite

Zeolite

Natural zeolite with high cation exchange capacity, used in water purification, agriculture, and animal feed.

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Golden Raw Vermiculite

Golden Raw Vermiculite

Premium-grade golden raw vermiculite with superior thermal stability and expansion ratio.

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Golden Expanded Vermiculite

Golden Expanded Vermiculite

Fully expanded golden vermiculite for use in fireproofing, gardening, and lightweight construction.

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Perlite Granules

Perlite Granules (Horticultural Grade)

Specially graded perlite for use in potting mixes, seed starting, and soilless cultivation.

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Why Choose Jiezao?

We combine decades of expertise with customer-centric values to deliver unmatched service.

Rich Experience

Nearly 20 years in mineral manufacturing, sales, and export. Deep understanding of East Asian markets and long-term client relationships.

Cost Saving

Direct supply from strategic Chinese partners ensures near-bottom industry pricing without compromising quality.

Reliable Quality

Strict testing protocols ensure consistent quality. Our products are trusted by domestic and international clients.

Time & Labor Saving

One-stop supplier for multiple mineral products. Fast lead times and excellent freight coordination.

Sufficient Supply

Strong partnerships ensure stable supply even under sudden demand surges or market fluctuations.

Customer First Service

Low minimum order quantities, prompt replies, sincere recommendations, multi-language support, and cargo tracking.

20+
Years Experience
16+
Containers/Month
6
Product Lines
100%
Quality Tested

Frequently Asked Questions

What is the chemical formula for magnesium sulfate?

The chemical formula for magnesium sulfate is MgSO₄. It is commonly used in agriculture as a fertilizer to correct magnesium deficiency in plants.

What is raw vermiculite and how is it sourced?

Raw vermiculite is a naturally occurring mineral that expands when heated. It is mined from deposits around the world and processed for industrial, agricultural, and construction uses.

Are there different types of perlite used in horticulture?

Yes, horticultural perlite comes in various particle sizes—fine, medium, and coarse—each suited for different growing applications such as seed starting, potting mixes, and hydroponics.

What are the primary uses of expanded perlite?

Expanded perlite is used in horticulture for soil aeration, in construction for lightweight concrete and insulation, and in industrial applications for filtration and absorbents.

How is expanded vermiculite produced?

Expanded vermiculite is produced by heating raw vermiculite to high temperatures, causing it to exfoliate and expand up to 30 times its original volume.

What are the four major historical sources of vermiculite ore?

The four major historical sources of vermiculite ore include deposits in South Africa, China, Brazil, and the United States, each known for varying grades and expansion capabilities.

Get in Touch

Have questions or need a quote? We're here to help.

+86 15000914556
info@jiezaojz.com

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