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A reliable partner in the chemical and pharma industry

About Our Company

Handan Huajun Chemicals Co., Ltd. was founded in 2007, and it's a manufacturing enterprise primarily producing pharmaceutical intermediates, fine chemicals, and new materials.

While also handling sales and R&D, it can customize fine chemical products of various specifications and has its own independent international trading department.
The company has independent collaborative laboratories in Shanghai and Suzhou, and has also established close cooperative relationships with Hebei University of Technology, Nankai University, and Zhejiang University to jointly develop products in the field of biopharmaceuticals.

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120+

Technical
Staff

About Our Company

What We Offer

Product Categories

Our chemicals include five major series: Anhydrides, Acids, carboxylate salt, Ester, and quinolones.

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Our advantages

Why Choose Us

We possess mature domestic and international sales qualifications, and our factory is ISO9001:2000 certified.

01

Mature Layout & Rich Expertise

Founded in 2007, with multi-region layout, independent labs and a complete R&D-production industrial chain.

02

Strong R&D Capabilities

Cooperates with top universities, has a professional R&D team and provides customized product development.

03

Standard Production & Strict Quality

Located in a provincial chemical park, with advanced equipment and complete certifications for stable quality.

Why Choose Us

Comprehensive Product Range

Covers 5 major series, widely used in pharmaceuticals, industry and agriculture to meet diverse needs.

04

Global Influence & Steady Cooperation

A global exporter with products sold worldwide and long-term cooperation with 1000+ buyers.

05

Professional End-to-End Service

Provides one-stop pre-sales, in-sales and after-sales services with integrity and high customer satisfaction.

06

Popular Products

Our Products

Our chemicals have a wide range of applications in pharmaceuticals and industry.

  • Succinic Anhydride CAS 108-30-5
    Succinic Anhydride CAS 108-30-5

    Appearance: White flakes.Purity (Assay): ≥ 99.0% (Industrial Grade) / ≥ 99.5% (Pharmaceutical Grade) / ≥ 99.9% (Electronic Grade).Melting Point: 117.0 - 120.0

  • Anhydride Succinic
    Anhydride Succinic

    Purity: ≥ 99.5% (Industrial Grade available). Appearance: White flakes or crystalline powder. Melting Point: 117-120 °C. Boiling Point: 260-262 °C. Molecular

  • CAS 108-30-5
    CAS 108-30-5

    Appearance: White or light Yellow flakes. Assay: 99. Melting Point: 116-120. Residue On Ignition: 0.1. Heavy Metal: 15

  • Pivalic Anhydride
    Pivalic Anhydride

    Purity: ≥ 99%. Boiling Point: 193°C (lit.). Density: 0.918 g/mL at 25°C (lit.). Refractive Index: 1.4070-1.4110. Flash Point: 63°C (145°F)

  • Valeric Anhydride
    Valeric Anhydride

    Appearance: Colorless to light yellow transparent liquid. Purity (GC): ≥ 98.5.0%. Boiling Point: 228-230 °C (lit.). Density: 0.944 g/mL at 20 °C (lit.). Flash

  • Heptanoic Anhydride
    Heptanoic Anhydride

    CAS No.: 626-27-7. Purity: ≥99.0%. Appearance: Colorless to light yellow oily liquid. Molecular Weight: 242.32 g/mol. Density: 0.92 g/mL at 25°C

  • Octenylsuccinic Anhydride
    Octenylsuccinic Anhydride

    Appearance: Clear, colorless to light yellow liquid. Purity (OSA content): ≥ 99%. Total Acid Number: 520 – 536 mg KOH/g. Free Maleic Anhydride: ≤ 0.25%.

  • Pivaldehyde
    Pivaldehyde

    Appearance: Colorless to light yellow clear liquid. Purity (GC): ≥ 99.0% (min. 96.0% - 98.0% as per industrial standard). Density: 0.78 g/mL (20°C). Boiling

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