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Guanlang Group – Trusted Chemical Solutions Since 2007

Leading manufacturer of pharmaceutical intermediates, APIs, veterinary raw materials, disinfectants, and specialty organic chemicals. Global delivery with free sample support.

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Our Story

Hebei Guanlang Biotechnology Co., Ltd. was founded in 2007 and is headquartered in Shijiazhuang, the capital of Hebei Province, strategically located at the hub of Beijing, Tianjin, and Hebei. Our location offers convenient transportation access for efficient domestic and international logistics.

As a modern high-tech chemical enterprise, we integrate Research & Development, production, and global sales. We specialize in pharmaceutical intermediates, veterinary raw materials, disinfectants, APIs, and specialty organic chemicals, serving clients across pharmaceutical, veterinary, cosmetic, and industrial sectors.

Established in 2007
ISO & GMP Compliant Manufacturing
Free Sample Support Available
Guanlang Group Facility

Our Featured Products

High-purity chemical compounds for pharmaceutical, veterinary, and industrial applications. All products are manufactured under strict quality control with global certifications.

Phenacetin

Phenacetin

CAS 103-78-6 – High purity pharmaceutical intermediate used in analgesic and antipyretic synthesis. Free samples available upon request.

CAS: 103-78-6 Intermediate
Povidone Iodine

Povidone Iodine Powder (PVP-I)

CAS 25655-41-8 – Broad-spectrum antiseptic used in medical, veterinary, and cosmetic applications. Stable formulation with high iodine content.

CAS: 25655-41-8 Disinfectant
Hydroquinone

Photographic Grade Hydroquinone

CAS 123-31-9 – High-purity reducing agent used in photographic developers, antioxidants, and skin-lightening formulations.

CAS: 123-31-9 Intermediate
Procaine Base

Procaine / Procaine Base

CAS 59-46-1 – Local anesthetic intermediate used in pharmaceutical synthesis. High purity with strict quality control.

CAS: 59-46-1 API Intermediate
Procaine HCl

Procaine Hydrochloride

CAS 51-05-8 – Water-soluble local anesthetic used in injectable formulations. Complies with pharmacopeial standards.

CAS: 51-05-8 API
Pyrazole

Pyrazole

CAS 288-13-1 – Heterocyclic compound used in agrochemicals, pharmaceuticals, and dyes. High purity with consistent batch quality.

CAS: 288-13-1 Intermediate
Piperazine

Piperazine Anhydrous

High-purity piperazine used in pharmaceutical synthesis, particularly in anthelmintics and antipsychotics. Available in bulk quantities.

CAS: 110-85-0 Intermediate
Thiourea

Thiourea

CAS 62-56-6 – Used in pharmaceuticals, photography, and as a catalyst in organic synthesis. High purity with low impurity profile.

CAS: 62-56-6 Chemical Reagent
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Why Choose Guanlang Group?

We combine innovation, quality, and global reach to deliver reliable chemical solutions.

R&D Driven

Advanced research and development capabilities ensure product innovation and process optimization.

Quality Assured

Strict quality control systems compliant with international standards and regulatory requirements.

Global Reach

Products exported to over 50 countries with reliable logistics and customs support.

Free Samples

Request free samples to evaluate product quality and suitability for your applications.

16+
Years in Business
50+
Countries Served
200+
Products Offered
100%
Quality Commitment

Frequently Asked Questions

Get answers to common inquiries about our products and services.

Do you offer free samples?

Yes, we provide free samples for most of our products to help you evaluate quality and suitability. Contact us to request a sample.

What are your main product categories?

We specialize in Pharmaceutical Intermediates, APIs, Veterinary Raw Materials, Disinfectants, Organic Intermediates, and Daily Chemicals.

Where is your company located?

Hebei Guanlang Biotechnology Co., Ltd. is located at No.108 Zhongshan West Road, Qiaoxi District, Shijiazhuang, China.

How can I request a price list?

Please visit our official website to submit an inquiry for a detailed pricelist based on your requirements.

Are your products compliant with international standards?

Yes, our manufacturing processes follow strict quality control protocols and comply with relevant international regulations and pharmacopeial standards.

Get in Touch

For inquiries, pricing, or sample requests, please visit our official website to contact our sales team directly.

Visit Official Website

Phone / WhatsApp

+86-19930503256

Email

Sales@crovellbio.com

Location

Shijiazhuang, Hebei, China

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