1、Company profile
Qujing Changyi Jointed Technology Co., Ltd. was established in 2019 and is located in Huashan Chemical Industrial Park, Qujing High tech Industrial Development Zone. The company is steadily advancing on the path of innovative development in the chemical industry with a far sighted strategic vision and unwavering development determination.
Our company has invested more than 70 million yuan to build a modern production base, with a large-scale production line capable of producing 15000 tons of pentoxide, 8000 tons of polyphosphoric acid, and 40 tons of 2,6-dihydroxyacetophenone (2,6-dihydroxyacetophenone) annually. It was officially put into operation in July 2021. The company has established a highly skilled technical team with outstanding advantages in the research and application of new materials and the manufacturing of chemical products.

2、 Business scope and product system
Relying on the unique advantage of yellow phosphorus resources in Yunnan, the company has built a complete product matrix:
• Core products: Phosphorus pentoxide, polyphosphoric acid, and 2,6-dihydroxyacetophenyl (2,6-dihydroxyacetophenone)
• Supporting products: phosphating solution, zinc nitrate, diethyl succinate, and polyaluminum chloride aqueous solution
The product is widely used in:
Daily chemical products and food additives
Electronic chemicals and flame retardant materials
Medicine, essence, pesticide intermediates
Key fields such as petrochemicals

3、 Core competitive advantage
At the market and strategic level, the new construction projects of pentoxide and polyphosphoric acid precisely meet market demand, deeply integrate into the long-term development strategy of the enterprise, and successfully build an integrated scale economy model, greatly enhancing the enterprise's efficiency and opening up broad development space for the enterprise in fierce market competition.
Production process and technological innovation: The company always adheres to the attitude of striving for excellence, continuously promotes process technology transformation, and actively introduces advanced energy-saving technologies and high-end advanced equipment. By finely controlling the production process, significant improvement in product quality and effective reduction in production costs have been achieved, resulting in a significant increase in economic benefits. The company's products have won wide recognition and trust in the market with excellent quality and reasonable prices. In terms of environmental protection: The company attaches great importance to environmental protection and regards it as one of the core missions for enterprise development. By implementing a series of scientific, efficient, rigorous and standardized environmental protection measures, we aim to achieve standard emissions and circular utilization, and put into practice the concept of green development through practical actions.
Economic and social benefits: After the project is completed and put into operation, the annual sales revenue will exceed 100 million yuan, fully demonstrating the company's strong profitability and market competitiveness.
At the same time, the company actively fulfills its social responsibility, creating about 60 job opportunities and employing 28 disabled people, becoming a highly acclaimed welfare enterprise in the local area, effectively promoting local economic development and social stability.
Strategic layout and development: The company continues to increase investment in production lines and actively expands upstream and downstream product lines. This highly forward-looking strategic layout has had a profound impact on enhancing the company's market awareness and product market share, greatly enhancing the overall strength of the enterprise, driving the development of related industries in the region, and laying a solid foundation for the company's future economic growth and long-term development.

4、 Enterprise Qualifications and Honors
• Passed ISO9001 quality management system certification in 2024
• Awarded the qualification of high-tech enterprise in 2024
• City level safety production standardization third level enterprise
• Welfare enterprises supported by local governments

5、 Development Vision
Looking towards the future, the company will adhere to the business philosophy of "innovation driven, quality-oriented, green development, and giving back to society", and focus on promoting:
→ Increase R&D investment and enhance independent innovation capability
→ Extend the industrial chain and optimize product structure
→ Deepen green manufacturing and practice sustainable development
→ Strengthening social responsibility and promoting regional economic prosperity
We are committed to becoming a benchmark enterprise in the field of chemical new materials, and continuously contributing to the progress of the industry and economic and social development.