Qingyuan Presafer Phospho Chemical Co., Ltd.
Main Products: Halogen-Free Flame Retardants
 
Qingyuan Presafer Phospho Chemical Co., Ltd., with a registered capital of 62 million RMB, is a wholly-owned subsidiary of Polyrocks Chemical specializing in the development, production and sales of halogen-free flame retardants, primarily including phosphorus-based, nitrogen-based and intumescent flame retardants. These products are widely applied in fire-resistant coatings, textile coatings, epoxy potting compounds, and various polymer materials such as PP, PE, PA, PBT, TPU, TPE and EVA. With an annual production capacity of 35,000 tons, Presafer exports its products to Europe, the Americas, Australia, West Asia, Southeast Asia, as well as Japan and South Korea. After more than two decades of development, the company has established a complete vertically integrated industrial chain, enabling it to provide customers with diversified flame retardant solutions.
 
Official Website:  http://www.presafer.com/
Contact Person:  Mr. Liu
Tel:  +86 15622757189
Email:   liuhuaxia@polyrocks.com
 
 
 
Anhui Longhua Chemical Co., Ltd.
Main Products: Polyphosphoric Acid, Phosphorus Pentoxide
 
Anhui Longhua Chemical Co., Ltd., established in 2007 with a registered capital of 39.538 million RMB, is a Polyrocks Chemical subsidiary specializing in the R&D, production and sales of fine phosphorus chemicals. As a leading manufacturer of polyphosphoric acid and phosphorus pentoxide, our products find extensive applications across food additives, chemical synthesis, new materials, optical glass, pharmaceuticals, and new energy batteries.Certified with ISO9001, ISO45001 and ISO14001 standards, we currently maintain an annual production capacity of 16,000 tons of phosphorus pentoxide and 26,000 tons of polyphosphoric acid. Two ongoing expansion projects will boost our phosphorus pentoxide capacity to 20,000 tons/year while yielding an additional 5,000 tons/year of polyphosphoric acid as by-product.Through continuous technological innovation and strict quality control, our products meet international advanced standards. With 70% domestic market share and 30% export volume reaching over 30 countries worldwide, we rank among China's top producers in both production scale and export volume for phosphorus chemicals.
 
Official Website:  http://www.longhuapharm.com/
Contact Person:  Mr.Jin
Tel:  +86 15955666565
Email:  jf@longhuapharm.com
 
 
 
Chizhou Polyrocks Chemical Co., Ltd.
Main Products: Cosmetic & Personal Care Oils/Fats
 
Chizhou Polyrocks Chemical Co., Ltd. is a wholly-owned subsidiary of Polyrocks Chemical, located in the Dongzhi Economic Development Zone, Chizhou City, Anhui Province. It serves as a strategic node for the group's industrial chain integration. The company focuses on the R&D, production, and sales of new chemical materials and high-end fine chemicals. Its core business centers on the cosmetic and personal care oils sector, dedicated to the R&D and production of high-performance synthetic oils and fats. The product range includes fatty acid esters, glycerides, and synthetic waxes, which are key raw materials for beauty and personal care products such as creams, lotions, and lipsticks. These products not only provide functions like moisturizing, film-forming protection, and texture adjustment but also meet the needs of high-end cosmetic brands with their excellent safety, stability, and functionality. The planned total production capacity for this sector is 8,000 tons.

Relying on high-level R&D platforms such as the National Postdoctoral Scientific Research Workstation established by the parent company, Chizhou Polyrocks has assembled a localized professional technical team, continuously focusing on process optimization, new product development, and the commercialization of technological achievements. The company actively deepens industry-university-research cooperation with renowned universities such as Sun Yat-sen University and Beijing University of Chemical Technology to continuously enhance its independent innovation capabilities. As the group's strategic hub serving the East, North, and Central China markets, Chizhou Polyrocks is committed to building a fine chemical and new materials industry base integrating "technological leadership, scaled production capacity, and green operations."
 
Contact Person:  Mr.Qi
Tel:  +86 15625099910
Email:  qiliangming@polyrocks.com
 
 
 
Guangdong Polyrocks Technology Research Co., Ltd.
 
Guangdong Polyrocks Technology Research Co., Ltd., established in 2019 with a registered capital of 62.655 million RMB, is a wholly-owned subsidiary of Polyrocks Chemical located in Qingyuan Hi-Tech Industrial Development Zone, Guangdong Province. As a technology service platform enterprise, we are dedicated to incubating and developing high-end new material industries.Building upon our parent company's expertise in flame retardant synthesis and plastic modification technologies, we continuously explore emerging material applications. Our current research spans multiple sectors including cosmetic emollients, graphene technologies, optical display materials, and hydrogen energy solutions. Through independent innovation and collaborative industry-academia-research partnerships, we conduct both proprietary and commissioned research on advanced material products.
Official Website: http://www.polyrockstech.com/

Graphene Project Introduction:
Graphene is a revolutionary material composed of a single layer of carbon atoms arranged in a two-dimensional honeycomb lattice through sp² hybridization. Utilizing our proprietary liquid-phase exfoliation technology, we produce high-quality graphene with exceptional characteristics, including low defect density, high electrical conductivity, and superior thermal conductivity. Our production method ensures cost efficiency while maintaining premium performance, making our graphene suitable for diverse applications in advanced composites, health and wellness products, and new energy technologies.
 
Contact Person:  Mr. Liang
Tel:  +86 13829722593
Email:   liangyatao@polyrocks.com
 
 
 
Qingyuan MRkare Pharmaceutical Co., Ltd.
Main Products: Active Pharmaceutical Ingredients (APIs)
 
Qingyuan MRkare Pharmaceutical Co., Ltd., a Polyrocks Chemical holding subsidiary headquartered in Qingyuan Hi-Tech Industrial Development Zone (Guangdong Province), specializes in developing and manufacturing high-potency active pharmaceutical ingredients (APIs). Our product portfolio includes prostaglandin-based APIs such as bimatoprost, latanoprost, treprostinil, iloprost, carboprost tromethamine, and dinoprostone, which find therapeutic applications in pulmonary hypertension, ophthalmology, and obstetrics/gynecology. The company has established a comprehensive infrastructure featuring a generic API R&D center, pilot plant, and cGMP-compliant API production facility. Through our wholly-owned subsidiary Guangzhou Kaishi Biotech Co., Ltd. on Guangzhou International Bio-Island, we conduct innovative drug research focusing on structural modifications of prostaglandin analogs. With technical guidance from German GMP consultants, we’ve successfully built a specialty API production platform compliant with Chinese, US FDA, and EU GMP standards, which is now fully operational at industrial scale. 
 
Contact Person:  Mr. Wang
Tel:  +86 13352856985
Email:  wangt@kemrocmed.com