Chongqing Chuandong Chemical (Group) Co., Ltd. (重庆川东化工（集团）有限公司) is one of China’s most established and diversified chemical manufacturing enterprises, headquartered in Chongqing. Founded in 1958, the company operates under the brand Qingsheng and has evolved into a comprehensive chemical group with business verticals spanning inorganic chemicals, organic acids, food additives, feed additives, and electronic-grade chemicals.
Core Business and Product Portfolio
Chuandong Chemical manufactures a broad portfolio of industrial-grade, food-grade, and specialty chemicals, meeting the diverse needs of customers in agriculture, food processing, pharmaceuticals, oil drilling, construction, and electronics manufacturing.
1. Phosphoric Acid (H₃PO₄)
- Produced in industrial and food grades
- Applications:
- Fertilizer production (superphosphate, phosphate fertilizers)
- Food and beverage acidity regulation
- Metal treatment and water treatment
- Annual production capacity: over 200,000 MT
2. Polyphosphoric Acid
- High-concentration variant of phosphoric acid
- Used in:
- Chemical synthesis
- Catalysts and surfactants
- Acidic dehydrating agents
- High purity and controlled viscosity options available
3. Sodium Tripolyphosphate (STPP)
- Technical and food-grade options
- Functions:
- Water softener in detergents
- Preservative and moisture-retaining agent in seafood and meat
- Ceramic dispersant
- Exported to over 30 countries with strong demand in Europe and South Asia
4. Sodium Hexametaphosphate (SHMP)
- Widely used as:
- Water treatment additive
- Anti-scaling agent
- Dispersant in pigment, paint, and clay processing
- Food-grade SHMP used in processed cheese and meat products
5. Formic Acid
- High-purity acid used in:
- Leather tanning and textile processing
- Animal feed (antimicrobial preservative)
- Rubber coagulant
- Available in concentrations of 85% and 90%
6. Calcium Formate
- Cement additive that accelerates setting time and improves strength
- Used in animal feed to support gut health and improve nutrient absorption
- Safe, non-corrosive, and EU-compliant
7. Potassium Formate
- Used primarily in:
- Oil and gas drilling fluids
- High-performance de-icing applications
- Heat transfer fluids
- Low toxicity and biodegradable alternative to conventional salts
8. Food and Feed Additives
- Range includes:
- Food-grade phosphates
- Preservatives and acidity regulators
- Feed-grade formates and mineral supplements
- Developed to meet Codex Alimentarius, EU, and FDA standards
9. Electronic Chemicals and Chemical Reagents
- Produced in clean environments for:
- Electronics manufacturing (etchants, cleaners)
- Laboratory and analytical use
- Growing portfolio aligned with China’s semiconductor supply chain expansion
Manufacturing Infrastructure and Capabilities
Chuandong Chemical operates multiple production sites in Chongqing with:
- ISO 9001 and ISO 14001-certified manufacturing systems
- Automated production lines and modern QC labs
- In-house capabilities for:
- Crystallization and granulation
- Vacuum distillation
- Spray drying and blending
Total group output exceeds 500,000 metric tons annually, supported by:
- Dedicated rail and logistics terminals
- On-site warehousing and export packaging units
Export Activity and Global Presence
The company exports to over 70 countries, including:
- USA, Germany, Japan, India, Indonesia, South Africa, and Brazil
Export performance highlights:
- Over 1,500 export containers annually
- Key export products: STPP, SHMP, Phosphoric Acid, and Formic Acid
- Average shipment sizes range from 15 MT (ISO tanks) to 25 MT (FCL bulk bags)
Chuandong Chemical is a registered exporter with REACH compliance for the European Union and maintains documentation support for:
- FDA registrations
- Food safety certificates
- MSDS and CoAs
Certifications and Regulatory Compliance
The company meets global regulatory standards including:
- ISO 9001:2015 Quality Management System
- ISO 22000:2018 Food Safety Management System
- HACCP
- Halal and Kosher Certifications
- REACH, RoHS, and FDA compliance for select chemical exports
All products undergo multi-tier testing for:
- Purity
- Heavy metals
- Microbial load (food/feed additives)
- Stability and reactivity
R&D and Innovation
Chuandong Chemical invests consistently in product and process innovation through its in-house R&D institute, which:
- Collaborates with Chongqing University and national research bodies
- Develops eco-friendly production methods
- Focuses on low-emission synthesis of phosphates and formates
- Explores application-specific chemical modifications
Patented technologies include:
- Low-sodium phosphate blends for processed food
- Eco-safe de-icing compound formulations
Target Industries and Applications
Chuandong Chemical supplies to:
- Food and beverage manufacturers
- Detergent and household care brands
- Ceramic and pigment producers
- Oilfield service companies
- Animal nutrition product manufacturers
- Semiconductor and electronics industries
Their B2B clients include multinational ingredient buyers, regional distributors, and industrial OEMs.
Strategic Advantages
- 65+ years of chemical manufacturing heritage
- Vertically integrated production with strict quality control
- Large-scale output and stable raw material sourcing
- Customized formulations and contract manufacturing
- End-to-end logistics management and global documentation support
Achievements
- Recognized as a “Key National Chemical Enterprise” in China
- One of the largest STPP and phosphoric acid producers in Western China
- Strategic supplier to global detergent and food additive distributors
- Actively expanding electronic chemical division to support China's chip manufacturing sector
Chongqing Chuandong Chemical (Group) Co., Ltd. stands as a trusted and forward-looking chemical manufacturer, delivering high-quality, regulatory-compliant, and performance-driven chemical solutions to industries around the world.
