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Gansu Nabowang Chemical Products Co., Ltd is a leading manufacturer of high-purity Dimethyl Disulfide (DMDS), Sodium Sulfide, Methanesulfonic Acid, and specialty inorganic chemicals. With over a decade of expertise, we deliver reliable, certified chemical products to 30+ countries worldwide.

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8+
Years of Export Experience
30+
Countries Served
50+
Global Partners

About Gansu Nabowang

Gansu Nabowang Chemical Products Co., Ltd is located in the northwest of China, at the border of Gansu Province and Inner Mongolia, near to more than 10 million tons of Mannite mines, with the advantage of unique resources.

We are a chemical company primarily engaged in the manufacture of 99.9% pure Dimethyl Disulfide (DMDS), 50% and 60% Sodium Sulfide. Our facility includes dedicated production lines with an annual capacity of 10,000 tons of DMDS and 50,000 tons of Sodium Sulfide.

Since our establishment, we have built strong cooperative relationships with numerous foreign chemical enterprises and major domestic chemical groups. Our products are certified by SGS and other international testing organizations, and we hold a dangerous chemicals operating license with independent export qualifications.

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Why Partner With Us?

We combine quality, reliability, and responsive service to deliver chemical solutions that meet global standards.

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Skilled Team

Over 8 years of foreign trade experience with a professional sales and logistics team.

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Quality Guaranteed

Strict raw material control and production processes. Third-party inspections accepted.

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Fair Pricing

Factory-direct pricing with no markup. Self-produced and self-sold for maximum value.

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Fast Logistics

Strategic partnerships with major logistics providers for safe and timely delivery.

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24/7 Support

Dedicated customer service team available around the clock for pre- and post-sales support.

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Global Reach

Products exported to over 30 countries with full international compliance.

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Large Capacity

Annual production: 10,000 tons DMDS and 50,000 tons Sodium Sulfide.

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Certified & Compliant

SGS certified, holds dangerous chemicals license, and independent export rights.

Our Featured Products

High-purity chemical products manufactured to meet industrial and international standards.

Dimethyl Disulfide

Dimethyl Disulfide (DMDS)

High-purity 99.9% DMDS used as a catalyst passivating agent, industrial solvent, and in petrochemical applications.

  • • Purity: 99.9%
  • • CAS No: 624-92-0
  • • Appearance: Colorless to pale yellow liquid
  • • Odor: Strong garlic-like
Sodium Sulfide

Sodium Sulfide (Yellow & Red)

Available in 50% and 60% concentrations. Widely used in mining, dyeing, and wastewater treatment.

  • • Grades: Yellow Flakes, Red Liquid
  • • Concentrations: 50%, 60%
  • • Applications: Smelting, electroplating, tanning
  • • Packaging: 25kg bags or IBC totes
Methanesulfonic Acid

Methanesulfonic Acid (70% & 99%)

Highly stable sulfonic acid used in electroplating, catalysis, and organic synthesis.

  • • Purity: 70%, 99%
  • • Low corrosivity, high conductivity
  • • Ideal for tin and tin-lead plating
  • • Non-oxidizing, biodegradable
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Methanesulfonyl Chloride

Key intermediate in pharmaceutical and agrochemical synthesis. High reactivity and purity.

  • • CAS No: 124-63-0
  • • Purity: ≥99%
  • • Appearance: Colorless to light yellow liquid
  • • Storage: Cool, dry, ventilated area
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Potassium Hydroxide

High-purity caustic potash used in batteries, soaps, and chemical manufacturing.

  • • Purity: 45% solution or solid flakes
  • • Strong base, highly soluble
  • • Applications: Electrolytes, pH control
  • • Packaging: Drums or bulk
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Sulfur Blue & Sulfur Black

Industrial dyes for textile and leather applications. Stable and color-fast.

  • • Used in cotton and viscose dyeing
  • • High color strength
  • • Environmentally stable
  • • Supplied in powder form
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Sodium Silicate

Water glass used in detergents, cement, and refractory binders.

  • • Liquid or solid form
  • • Modulus: 2.0–3.5
  • • Alkali builder in cleaning agents
  • • Adhesive and sealing properties
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Glutaraldehyde & THPS

Biocides for water treatment, disinfection, and oilfield applications.

  • • Glutaraldehyde: 25%, 50%
  • • THPS: Tetrahydromethylphosphonium sulfate
  • • Broad-spectrum biocide
  • • Effective in high-temperature systems
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Hydrogenation Catalysts

Specialty catalysts for chemical synthesis and refining processes.

  • • Supported metal catalysts
  • • Custom formulations available
  • • High activity and selectivity
  • • Regenerable options
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Desulfurization Adsorbents

Efficient materials for removing sulfur compounds from gas streams.

  • • High sulfur capacity
  • • Used in natural gas and syngas
  • • Regenerable or disposable
  • • Custom particle sizes
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Sodium Sulfate

Inorganic salt used in detergents, glass, and paper industries.

  • • Anhydrous or decahydrate
  • • High purity, low impurities
  • • Free-flowing powder
  • • Bulk packaging available
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Dimethyl Sulfoxide (DMSO)

Polar aprotic solvent used in pharmaceuticals, electronics, and chemical synthesis.

  • • Purity: 99.9%
  • • CAS No: 67-68-5
  • • High boiling point, miscible with water
  • • Low toxicity, excellent solvent power

Latest News & Insights

February 24, 2023

Dimethyl Disulfide (DMDS)

Dimethyl disulfide (DMDS) is a colorless liquid with a strong garlic-like odor. It is widely used as a catalyst passivating agent in refineries and as an industrial solvent. Its high sulfur content makes it effective in petrochemical processes.

June 13, 2022

Effect of Sodium Sulfide Solution on Coating

With the wide application of sodium sulfide in smelting and electroplating, understanding its interaction with coatings is essential for corrosion protection and process efficiency.

June 13, 2022

Role of Sodium Sulfide and FeCl3 in Water Treatment

Sodium sulfide effectively precipitates heavy metals like lead, arsenic, and mercury from wastewater. Combined with FeCl3, it enhances coagulation and removes insoluble COD.

June 13, 2022

Understanding Dimethyl Disulfide

DMDS is used in various industrial applications including as a solvent, passivating agent, and intermediate in organic synthesis. Its stability and reactivity make it valuable in chemical manufacturing.

Get in Touch

For inquiries, quotes, or technical support, reach out to our team. We respond promptly to all requests.

Contact Information

  • Phone (WhatsApp): +86 19893557155
  • Email: [email protected]
  • Address: No. 03, Donghu Town, Minqin County, Wuwei City, Gansu, China
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