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Premium Industrial Chemicals for Global Industries

Lubon North-China Co., Ltd. is a trusted manufacturer and exporter of high-purity Thiourea, Thiourea Dioxide, Magnesium Sulphate, and Sulfamic Acid. With strict quality control and international certifications, our products serve diverse sectors across China, North America, Europe, and beyond.

Explore Our Products

About Lubon North-China Co., Ltd.

Lubon North-China Co., Ltd. is a subsidiary of Lubon Industry Co., Ltd., specializing in the production of high-quality industrial chemicals including Thiourea, Thiourea Dioxide, Magnesium Sulphate, and Sulfamic Acid. Our commitment to excellence has earned us a strong reputation in domestic and international markets.

We adhere to the principle of "customer first," ensuring every product meets rigorous standards before shipment. Our clientele spans across China, Hong Kong, Canada, the USA, Germany, Poland, Italy, Spain, and other regions.

With continuous innovation and a focus on sustainable practices, we aim to build long-term partnerships based on sincerity, reliability, and mutual benefit.

Thiourea Dioxide Thiourea Sulfamic Acid

Our Core Products

Discover our range of high-purity industrial chemicals, manufactured under strict quality control and widely used in pharmaceuticals, textiles, water treatment, and metal processing.

Thiourea

Thiourea

High-purity thiourea used in pharmaceutical synthesis, rubber vulcanization, and electroplating processes.

  • Purity: ≥ 99%
  • Appearance: White crystalline powder
  • Applications: Pharmaceuticals, dyes, photography
Thiourea Dioxide

Thiourea Dioxide

Powerful reducing agent used in textile bleaching and chemical synthesis.

  • Purity: ≥ 98%
  • Appearance: White powder or granules
  • Applications: Textile, paper, organic synthesis
Magnesium Sulphate

Magnesium Sulphate

Also known as Epsom salt, used in agriculture, pharmaceuticals, and industrial applications.

  • Purity: ≥ 99%
  • Form: Crystalline or anhydrous powder
  • Applications: Fertilizers, bath salts, brewing
Sulfamic Acid

Sulfamic Acid

Non-volatile, strong acid used in cleaning agents and industrial descaling.

  • Purity: ≥ 99.5%
  • Form: White crystalline powder
  • Applications: Metal cleaning, water treatment, detergents
Chemical Compound

Technical Grade Thiourea

Ideal for industrial applications requiring robust chemical performance.

  • Purity: 98.5% min
  • Uses: Electroplating, photography, resin modification
  • Packaging: 25kg bags or custom options
Industrial Reagent

Pharmaceutical Grade Thiourea

Ultra-pure form suitable for medicinal and laboratory use.

  • Purity: ≥ 99.8%
  • Standards: Meets USP/BP/EP specifications
  • Storage: Cool, dry, away from light
Reducing Agent

Stabilized Thiourea Dioxide

Enhanced stability for prolonged shelf life and consistent reactivity.

  • Purity: ≥ 97%
  • Stabilizer: Proprietary blend
  • Uses: Textile bleaching, pulp processing
Hydrated Salt

Magnesium Sulphate Heptahydrate

Common form used in agriculture, healthcare, and industrial processes.

  • Formula: MgSO₄·7H₂O
  • Solubility: Highly soluble in water
  • Applications: Fertilizers, bath products, brewing
Cleaning Agent

Sulfamic Acid Crystals

Highly effective descaler for industrial and household use.

  • Molecular Weight: 97.09 g/mol
  • pH (1% solution): ~1.0
  • Advantages: Non-corrosive to metals, low toxicity
Specialty Chemical

Custom Blends & Private Label

We offer tailored formulations and private labeling services for bulk buyers.

  • Services: Custom packaging, formulation
  • MOQ: Flexible based on product
  • Support: Technical data sheets, SDS, QC reports

Why Choose Thiourea.net?

We combine quality, reliability, and global reach to deliver exceptional value.

Certified Quality

Our products meet international standards with full documentation and QC testing.

Fast Global Delivery

Efficient logistics network ensures timely delivery to customers worldwide.

Global Customer Base

Trusted by clients in the USA, Canada, Germany, Italy, Spain, and more.

Customer-First Approach

We prioritize your needs with responsive support and flexible solutions.

10+
Years in Business
50+
Global Markets
10,000+
Tons Shipped Annually
99.8%
Customer Satisfaction

Frequently Asked Questions

What is the purity level of your Thiourea?

Our standard Thiourea has a purity of ≥99%, with pharmaceutical-grade options available at ≥99.8%.

Do you offer samples before bulk orders?

Yes, we provide free samples for evaluation. Shipping costs may apply depending on location.

What are your packaging options?

We offer 25kg bags, 500kg jumbo bags, and custom packaging upon request.

Can you provide certificates of analysis (COA)?

Absolutely. We provide COA, MSDS, and other compliance documents with every shipment.

How do you ensure product quality?

Each batch undergoes rigorous testing in our lab, and we follow strict ISO-like quality management practices.

What regions do you ship to?

We export globally, including North America, Europe, Southeast Asia, Australia, and the Middle East.

Get in Touch

Reach out to us for product inquiries, samples, or partnership opportunities.

Contact Information

  • Contact Person: Tom Lee
  • Skype: lubonchem
  • Email: sales@thiourea.net
  • Tel: 86-25-87775610
  • Fax: 86-25-86695610
  • Address: 2308, Bldg. 02, Shazhuxiang xiaoqu District, Nanjing, China

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