Mianyang Aostar Phosphorus Chemical Industry Co., Ltd. (绵阳启明星磷化工有限公司) is a prominent Chinese manufacturer specializing in the research, development, and production of phosphorus-based chemical products. Headquartered in Mianyang, Sichuan Province—a region known for its access to high-grade phosphate resources—the company plays a critical role in supplying industrial and agricultural markets with essential phosphorus chemicals.
Core Business and Operations
The company’s operations are centered around phosphorus chemistry and its downstream derivatives. Its major product categories include:
- Yellow Phosphorus – A primary raw material used in the synthesis of red phosphorus, phosphoric acid, phosphorus trichloride, and other phosphorus compounds.
- Phosphoric Acid – Widely used in fertilizer production, food processing, metal treatment, and water purification.
- Sodium Hexametaphosphate (SHMP) – A versatile water-soluble phosphate used in water treatment, ceramic production, and detergents.
- Sodium Tripolyphosphate (STPP) – Commonly found in laundry detergents and used as a food preservative in seafood and meats.
- Monoammonium Phosphate (MAP) – A high-phosphorus fertilizer and a fire retardant.
- Diammonium Phosphate (DAP) – A widely used fertilizer in agriculture and an ingredient in fireproofing compositions.
- Monopotassium Phosphate (MKP) – Functions as both a fertilizer and a buffering agent in food applications.
- Urea Phosphate (UAP) – A soluble fertilizer providing both nitrogen and phosphorus.
- Formic Acid – Used in leather processing, rubber, pharmaceuticals, and food preservation.
- Sodium Formate – Applied in leather tanning, as a de-icing agent, and in dyeing and printing.
These chemicals are supplied in various concentrations and purities, tailored to the needs of industrial, agricultural, and specialty chemical clients.
Specialisation and Unique Strengths
Mianyang Aostar stands out for its:
- Integrated phosphorus production chain – Starting from elemental phosphorus to high-value downstream derivatives.
- High-purity production capability – Ensuring chemical consistency for food-grade, fertilizer-grade, and industrial-grade standards.
- Location advantage – Situated in Sichuan, close to China’s phosphorus ore reserves, reducing raw material sourcing costs.
- Environmental and safety compliance – Advanced effluent treatment and safety systems in place for hazardous material handling.
The company provides both bulk chemicals and customized packaging solutions for B2B clients worldwide.
Financials
While specific financial statements are not publicly disclosed, Mianyang Aostar is considered a mid-sized phosphorus chemical enterprise in China. Based on industry analysis and capacity data:
- Estimated Annual Revenue: RMB 200–300 million (~USD 28–42 million)
- Production Volume:
- Yellow Phosphorus: Over 15,000 metric tons/year
- Phosphoric Acid & Derivatives: 30,000+ metric tons/year
- Export Contribution: Estimated 40% of total revenue
Revenue growth is driven by rising global demand for specialty phosphorus chemicals and advanced fertilizers.
Global Shipments and Export Performance
According to international trade databases:
- Export Reach: Over 30 countries, including the United States, India, Brazil, Russia, Turkey, and Indonesia.
- Top Exported Products: Sodium tripolyphosphate, phosphoric acid, MKP, and MAP.
- Annual Export Shipments: Estimated over 500 containers/year.
- Clients: Fertilizer distributors, detergent manufacturers, water treatment plants, and agrochemical companies.
The company is known for its reliability in delivery and compliance with international regulatory and packaging standards.
Target Markets
Mianyang Aostar serves diverse sectors including:
- Agriculture and Fertilizer Industry – Phosphate-based fertilizers like MAP, DAP, MKP, and UAP.
- Detergent and Cleaning Products – STPP and SHMP used in high-performance detergent formulations.
- Food and Beverage Industry – Food-grade phosphates for pH control and preservation.
- Leather and Textile Processing – Formic acid and sodium formate for tanning and dye-fixing.
- Water Treatment – Phosphate blends used to prevent scaling and corrosion.
End users include both bulk chemical traders and industry-specific manufacturers.
Capabilities
- State-of-the-art chemical processing lines for phosphorus conversion and purification.
- Advanced lab facilities for quality control, specification matching, and traceability.
- Strict production safety protocols for hazardous materials like yellow phosphorus.
- Flexible packaging solutions – From drums and IBCs to bulk containers and custom-labeled bags.
- Logistics management for domestic and international chemical transport compliance.
All production facilities operate under stringent monitoring to ensure product integrity and worker safety.
Certifications and Compliance
Mianyang Aostar maintains comprehensive quality and safety standards:
- ISO 9001 – Quality Management System
- ISO 14001 – Environmental Management System
- Hazardous Chemicals Production License (China)
- REACH Registration – For products entering the European Union
- RoHS and SGS Testing Reports available on request
Documentation and MSDS are provided with each shipment to comply with international regulations.
Testimonials and Recognition
Customers from both domestic and international markets report:
- High product purity and consistency
- Responsive technical and commercial support
- On-time delivery and secure chemical packaging
- Competitive pricing and long-term supply stability
The company has earned multiple local awards for "Advanced Enterprise in Chemical Safety" and "Outstanding Export Performance" in Sichuan Province.
Major Achievements
- Recognized as a Top 10 phosphorus chemical exporter in Western China
- Developed proprietary processing techniques for low-impurity phosphoric acid
- Strategic supplier to national and regional fertilizer brands
- Participated in national phosphorus resource sustainability initiatives
Mianyang Aostar Phosphorus Chemical Industry Co., Ltd. continues to strengthen its role as a trusted and capable producer of high-quality phosphorus-based chemicals, supporting industrial, agricultural, and specialty applications across global markets.
