Shandong Dongke Chemi-Industry And Science Co.,Ltd.

Shandong Dongke Chemical Technology Co., Ltd. is located in the Sea Economic Zone of Changyi City, Weifang City, Shandong Province. The company has established long-term strategic partnerships with Shandong University of Science and Technology and various provincial research institutions, ensuring continuous access to cutting-edge technological advancements. So far, the company has a registered capital of 30 million RMB and a factory site covering over 66,600 square meters.

We specialize in the R&D and production of fine chemicals, organophosphorus intermediates, halogen-free flame retardants, photoinitiators, and eco-friendly plastic additives. Our products serve sectors such as rubber, plastics, coatings, textiles, pharmaceuticals, and construction. Upholding the spirit of "Quality, Innovation, Professionalism, and Pragmatism," we prioritize employee, leverage technology, and operate with integrity. We implement the ISO9001 quality management system through a collaborative industry-academia-research model. Our technical team is highly skilled---with over 60% of employees holding professional technical titles---and is dedicated to optimizing processes and enhancing the quality of phosphorus-based flame retardants.

Since our inception, we have focused deeply on the fine chemicals fileds, treating product quality as the lifeline of our development and ensuring consistency through the comprehensive implementation of the ISO9001 quality management system. Backed by strong technical capabilities and an experienced R&D and application team-where more than 60% of staff hold junior, intermediate, or senior professional technical titles—we integrate R&D with practical production. We focus on the development of phosphorus-based chemicals, process optimization, and quality control upgrades, continuously expanding our product portfolio and elevating our quality management standards.

Leveraging mature production processes, standardized management systems, and rigorous testing protocols, our proprietary phenylphosphine chemicals and phosphorus-based flame retardants have earned an excellent market reputation. Our products are distributed across more than thirty provinces and cities in domestic and exported to overseas markets, including the Europe, United States, South Korea, Japan, and Turkey.

We are committed to providing both standardized products and professional technical services. We look forward to building long-term, stable, and mutually beneficial partnerships with clients worldwide, working together to achieve sustainable growth and shared success.

We sincerely look forward to deepening cooperation with partners across all sectors to build a bright, green future for the chemical industry!