We are your trusted global source for high-purity chemical solvents.

Junyuan Petroleum Group is China's largest manufacturer of chemical solvents, producing Pentanes, Hexanes, and Heptanes at scale. From our purpose-built manufacturing facility in Shandong, we manufacture an extensive range of specialty solvents in bulk, serving customers worldwide. We also manufacture TBPS, our advanced sulfiding agent for ethylene refining and petrochemical enterprises, offering enhanced performance and reliability over conventional sulfiding agents such as DMDS, which we continue to supply. Our dedicated export division ensures the seamless delivery of high-quality chemicals to customers across Africa, the Americas, the Middle East, and Asia.

Business Focus

Junyuan Petroleum Group was founded in 2009 with a registered capital of 120 million Yuan (US $17.6 million). After 17 years of continuous development and growth, Junyuan Petroleum Group now owns seven subsidiaries: Dongying Liangxin Petrochemical Technology Development Limited Company, Dongying Junyuan Petrochemical Technology Development Co., Ltd., Orient Junyuan (Beijing) Technology and Trade Co., Ltd., Dongying Changyuan Petrochemical Technology Development Co., Ltd., Dongying Junyuan Logistics Co., Ltd., Xinjiang Liangxin Petrochemical Technology Development Co., Ltd., and Qingdao Maogao International Trade Co., Ltd. Together, these seven subsidiaries form a complete petrochemical industry chain for Junyuan Petroleum Group, encompassing high-quality product manufacturing, efficient logistics, and dedicated after-sales service. The group currently has total assets of 1.5 billion Yuan (US $25 million) and fixed assets of 1.2 billion Yuan (US $20 million), covering an area of nearly 1,000 acres with more than 500 employees, an annual output of 800,000+ tons, and an annual value of more than 3 billion Yuan (US $500+ million).

The #1 manufacturer of Pentanes, Hexanes, Heptanes, and refinery sulfiding agents in China.

We deliver high-quality products at globally competitive prices.

n-Pentane, 95%

CAS No. 109-66-0
Packaging Type: Drum

n-Pentane, 95%

CAS No. 109-66-0
Packaging Type: ISO Tank

n-Pentane, 99%

CAS No. 109-66-0
Packaging Type: Drum

n-Pentane, 99%

CAS No. 109-66-0
Packaging Type: ISO Tank

Isopentane, 95%

CAS No. 78-78-4
Packaging Type: Drum

Isopentane, 95%

CAS No. 78-78-4
Packaging Type: ISO Tank

Isopentane, 99%

CAS No. 78-78-4
Packaging Type: Drum

Isopentane, 99%

CAS No. 78-78-4
Packaging Type: ISO Tank

Cyclopentane, 95%

CAS No. 287-92-3
Packaging Type: Drum/ISO Tank

Cyclopentane, 99%

CAS No. 287-92-3
Packaging Type: Drum/ISO Tank

Pentane 10/90

Blowing Agent
(n-Pentane/Isopentane 10-90%)

Pentane 50/50

Blowing Agent
(n-Pentane/Isopentane 50-50%)

Pentane 30/70

Blowing Agent
(n-Pentane/Isopentane 30-70%)

Pentane 70/30

Blowing Agent
(n-Pentane/Isopentane 70-30%)

Pentane 80/20

Blowing Agent
(n-Pentane/Isopentane 80-20%)

Pentane 60/40

Blowing Agent (n-Pentane/Isopentane 60-40%)

n-Hexane, 60%

CAS No. 110-54-3
Packaging Type: ISO Tank

n-Hexane, 60%

CAS No. 110-54-3
Packaging Type: Drum

n-Hexane, 99%

CAS No. 110-54-3
Packaging Type: ISO Tank

n-Hexane, 99%

CAS No. 110-54-3
Packaging Type: Drum

n-Heptane, 99%

CAS No. 142-82-5
Packaging Type: ISO Tank

n-Heptane, 99%

CAS No. 142-82-5
Packaging Type: Drum

n-Octane, 99%

CAS No. 111-65-9
Packaging Type: ISO Tank/Drum

D20 Fluid

CAS No. 64742-94-5
Packaging Type: ISO Tank

Established

2009

President & CEO

Miao Guangfa

Registered Capital

$17.6 Million

Employees

568 (2026)

Junyuan Petroleum Group was established in 2009 and has since grown into one of China’s leading manufacturers of solvents and chemicals. We have built an enviable reputation for producing n‑Pentane, Isopentane, Cyclopentane, Pentane Blends, n‑Hexane, Isohexane, and n‑Heptane for industrial and commercial markets worldwide. Beyond our hydrocarbon solvent portfolio, Junyuan manufactures TBPS (Tertiary Butyl Polysulfide) as our primary sulfiding agent for refinery applications, with DMDS available to support specific customer requirements in hydrotreating and hydrocracking units.

Check Out More of Our

Quality Products for Your Applications

Stacked blue metal drums labeled n-Heptane, 99% on wooden pallets in warehouse

n-Heptane Pure

ISO tank and drum labeled Di-tert-Butyl Polysulfide (DTBPS) for industrial catalyst activation.

Di-tert-Butyl Polysulfide (DTBPS) – Industrial Sulfiding Agent

Cyclopentane (Refrigerant)

Cyclopentane (95%) packaging options for Korean market, showing ISO tank and 150 KG drums

Cyclopentane, 95% – Korean Market Supply

DMDS – Dimethyl Disulfide

Pentane (n-Pentane), PCT, 98+%, 200L (125KG)

Tetrahydrofuran

Chemical Structure, Cyclopentane 80%,Cyclopentane Isopentane 80-20%, CP80

Cyclopentane/Isopentane 80/20 for PU Foam Insulation

Pentane, n-, CP

Blend Cyclopentane/Isopentane (50-50), chemical structure

Cyclopentane/Isopentane Blend 50/50 for PU Rigid Foam

Quality, Service, Consistency

Junyuan Petroleum Group has been a renowned global manufacturer in the chemical solvent industry since 2007. The stringent product specifications as well as lot to lot consistency of each of the solvents are achieved through exceptional internal quality control processes. We offer high quality products and an uncompromising commitment to excellence in our technical assistance.

Global 24 Hour Support

With a network of international sales teams and expert technical support, we offer insight-based solvent and chemical solutions for your manufacturing business. Junyuan Petroleum Group understands the specific and unique challenges of the solvent industry, our dedicated, global client support teams are available to assist 24/7. Select the type of prodcut that best suits your needs and a team member will be in touch.

ISO 9000 Family - Quality Management

With more than 17 years of experience in the chemical solvent industry, focusing on customers and aiming to solve the key problems in their formulations, we have established relationships with many regional, national, and global solvent suppliers. Our high quality and batch consistency allows reliable, accurate and reproducible results without the need for costly purification and repeated analysis.

We Deliver Solvents at Your Doorstep

Across the world we supply solvents in bulk, tank trucks, break bulk, IBC’s and drums. Our export department handles the intercontinental supply of solvents in drums, IBC’s, flexi tanks and ISO tanks. Our products have been exported to Europe and the United States, Southeast Asia, Africa and all over the world, with a high market share, well received by customers.

Our Customers

Recent Projects

Review on establishment of safety conditions for completion of technical transformation project of Junyuan Petroleum Group

The project is based on the original hydrogenation unit of the company to achieve economic benefits of energy saving and consumption reduction through process optimization. The project adopts a number of company's own patents.

Congratulations on the success of the company’s new products of n-Heptane,99% and n-Octane, 99%

With the joint efforts of all staff in the production system, the company's new products, high-purity heptane and high-purity octane, have passed the production inspection and successfully loaded into the storage tanks!

Acceptance of Dongying Key Laboratory for Hydrocarbon Solvent

Since the approval of construction in 2017, Junyuan Petroleum Group has invested a lot of money in the construction of laboratory software and hardware, purchased more than 30 sets of analytical and experimental instruments, undertaken one provincial and ministerial level scientific research project.

Testimonials

What Our Customers Say

"We want to thank you for your dedication and commitment to support us in achieving our quality and service targets. We count on you to continue being an excellent business partner to us. We are looking forward to a long working relationship together."

Rocio Solano Supply Chain Manager

"Junyuan Petroleum Group is one of the best manufacturers we use. We were impressed by their ability to meet our specific needs and their strong customer service. We hope to do business with them for many years to come!”

Michelle Harris Edible Oil Production Manager

"We have been buying chemicals from your company for more than 5 years. We are very satisfied with the purchasing method, delivery speed, quality of products, availability of different customized specifications, and very competitive prices."

Matthew Matimbwi Edible Oil Production Manager

Are you looking for a reliable manufacturer of Hexanes, Pentanes, Heptanes, and sulfiding agents?

Look no further.

We are a well‑established manufacturer of a broad range of petrochemical products, recognized for high quality and reliable supply. Our commitment to consistency and customer satisfaction has earned strong trust from clients worldwide. Watch our intro video on YouTube for a quick overview of our company and production capabilities.

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