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Premium Sodium Metabisulfite Supplier from China

Trusted manufacturer with over 50 years of expertise. ISO9001 certified quality assurance. Direct export from Hunan Yunfeng Technology Co., Ltd. — no third-party agents involved.

Sodium Metabisulfite Powder
Note: We never authorize any agent in China to export. All shipments are made directly under our company name: Hunan Yunfeng Technology Co., Ltd.

About Yunfeng Technology

A high-tech enterprise specializing in Sodium Metabisulfite production with over five decades of industry leadership.

ISO9001 Certified

Our quality management system meets international standards, ensuring consistent product excellence.

50+ Years Experience

Decades of innovation and refinement in chemical manufacturing and global supply chain logistics.

Direct Exporter

We ship exclusively under our own company name — no intermediaries, full traceability, and transparency.

Our Sodium Metabisulfite Products

Available in multiple grades and packaging options for food, industrial, and technical applications.

Sodium Metabisulfite Powder

Sodium Metabisulfite Powder

High-purity industrial-grade powder ideal for water treatment and chemical synthesis.

  • Purity: ≥ 96.5%
  • Appearance: White crystalline powder
  • Grade: Industrial
Food Grade Packaging

Food Grade Sodium Metabisulfite

Meets international food safety standards for use in preservation and processing.

  • Purity: ≥ 97.0%
  • Standard: FCC, GB 1886.8-2014
  • Application: Food preservation, winemaking
Neutral Package

Neutral pH Sodium Metabisulfite

Stabilized formulation with balanced pH for sensitive industrial processes.

  • pH: 4.0–5.5 (1% solution)
  • Moisture: ≤ 0.1%
  • Packaging: 25kg HDPE bags
Loading Food Grade

Bulk Food Grade Loading

Ready for large-scale export with full documentation and compliance.

  • Capacity: 5,000 MT/year
  • Export: FOB, CIF, DAP available
  • Certifications: ISO, SGS, COA
Technical Grade

Technical Grade Sodium Metabisulfite

Optimized for textile, leather, and electroplating industries.

  • Impurities: Low iron & heavy metals
  • Solubility: High in water
  • Use Case: Reducing agent, bleaching
Custom Packaging

Custom Packaging Solutions

Available in 1kg, 5kg, 25kg, and 1000kg FIBCs based on client needs.

  • Options: PE liner, moisture-proof
  • Labeling: Multilingual options
  • MOQ: 1 metric ton
Food Grade Certificate

Certified Food Additive

Approved for use in food preservation under global regulatory frameworks.

  • Certifications: ISO9001, HACCP
  • Usage: E223 in EU
  • Shelf Life: 24 months in sealed packaging
Industrial Application

Water Treatment Grade

Used for dechlorination and reduction of residual chlorine in wastewater.

  • Reaction: Removes free chlorine
  • Dosage: 1.34 mg per 1 mg Cl₂
  • Form: Powder or solution

Our Services

End-to-end solutions from manufacturing to global delivery.

Quality Assurance

Every batch tested for purity, moisture, and compliance.

Competitive Pricing

Direct factory pricing with no middlemen or hidden fees.

Fast Lead Time

Typical shipment within 7–15 days after order confirmation.

Global Shipping

Reliable logistics partners for sea, air, and land freight.

50+
Years Experience
98.5%
Purity Standard
5,000+
MT Annual Output
60+
Countries Served

Frequently Asked Questions

What grades of Sodium Metabisulfite do you offer?

We offer Food Grade, Industrial Grade, and Technical Grade Sodium Metabisulfite, each meeting specific international standards.

Are you a manufacturer or trading company?

We are a direct manufacturer — Hunan Yunfeng Technology Co., Ltd. We do not use agents for export.

What certifications do you have?

Our company holds ISO9001 certification. We also provide COA, SGS reports, and compliance documents upon request.

What is the minimum order quantity (MOQ)?

Our standard MOQ is 1 metric ton, but we can discuss smaller trial orders for new clients.

How do you ensure product quality?

Each batch undergoes strict laboratory testing for purity, moisture, pH, and impurities before shipment.

Get in Touch

For inquiries, quotes, or technical support, please visit our official website to contact Hunan Yunfeng Technology Co., Ltd. directly.

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