A wholly owned subsidiary of Junyuan Petroleum Group
Dongying Liangxin Corporate Profile
Dongying Liangxin Petrochemical Technology Development Limited Company (“Dongying Liangxin”) opened in May 2006. Notably, its registered capital is RMB 30 million. The company sits in Dongying City, Shandong Province. This area is home to the Shengli Oilfield, China’s second-largest oilfield. As a result, Dongying Liangxin has direct access to feedstock for light hydrocarbon processing.
Dongying Liangxin is a subsidiary of Junyuan Petroleum Group. Together, the group supplies pentane, hexane, heptane, and sulfiding agents. In total, it serves customers in more than 50 countries.
Our Products
Specifically, Dongying Liangxin specializes in deep-processed light hydrocarbons and sulfiding agents. These include:
These products stand out for their low olefin and aromatic content. They also offer high purity. For example, customers use them in EPS foam blowing agents and polyethylene condensing agents. Other uses include non-Freon refrigeration, air-conditioning systems, and general petrochemical processing. In addition, Dongying Liangxin supplies both CNPC and Sinopec. It also serves export customers worldwide.
Dongying Liangxin History
Overall, Dongying Liangxin has operated in Shandong since 2005. The company produces propane, butane, pentane, hexane, solvent oil, and aromatics. Today, it ranks among China’s largest manufacturers of hydrocarbon solvents, refrigeration solvents, and foaming agents. In fact, it became the first company in China to earn a production license for food-grade hexane.
Dongying Liangxin grew in three main stages. First, it launched a high-purity pentane project. Next, it added a new cooling agent production and purification line, which started running in June 2011. Finally, a third stage began in 2012 and added high-purity hexane production. Together, these stages brought total annual capacity to around 100,000 metric tons.
Dongying Liangxin Production Facilities
Currently, Dongying Liangxin runs 22 distillation columns. It also operates 2 hydrogenation units and 1 desulfurization and dearomatization unit. In addition, the site has three types of storage tanks. First, it has 10 spherical tanks at 1,000 m³ each. Second, it has 30 floating-roof tanks at 3,000 m³ each. Third, it has 30 horizontal tanks at 200 m³ each. Each year, the plant produces about 100,000 metric tons of pentane and 80,000 metric tons of hexane. It also makes 150,000 metric tons of solvents and 10,000 metric tons of aromatics.
Dongying Liangxin Certifications & Quality
Notably, Dongying Liangxin holds three certifications for its production systems: ISO 9001, ISO 14001, and OHSAS 18001. The company also holds RoHS, CIQ, CO, and SGS/BV inspection certificates. In addition, both China National Petroleum Corporation (CNPC) and Sinopec have approved its domestic laboratory.
Our Corporate Mission
Overall, Dongying Liangxin follows a people-first, technology-driven approach. Its business principle is simple: “Quality First, Customer Priority.” The company also builds long-term R&D partnerships with academic institutes and universities. Through this work, it keeps investing in high-purity pentane and industrial refrigerant technology. As a result, it can serve customers in China and abroad.
Dongying Liangxin Petrochemical Technology Development Limited Company
Address: No. 117, Guangqing Rd., Guangrao County, Dongying, Shandong 257345, China
Phone: +86 178 1030 0898
Email: info@junyuanpetroleumgroup.com