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

 


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.

 

Introduction to Beauty Oils & Fats Project:
Cosmetic oils and fats serve as essential ingredients in various personal care products. Based on their distinct properties, chemical structures, and compositional characteristics, different lipid compounds are specifically formulated for diverse cosmetic applications. Utilizing carefully selected fatty acids and fatty alcohols as raw materials, our company synthesizes premium-grade cosmetic lipids through catalytic processes. These products deliver exceptional skin benefits including deep moisturization, silky smoothness, and lightweight non-greasy textures, providing superior lipid ingredients for cosmetic formulations.Guided by our core philosophy of "Creating Safety and Beauty Through Science", the Daily Chemical Division drives continuous growth through technological innovation. Our R&D team maintains close alignment with market trends and customer requirements, consistently developing innovative, eco-friendly, and safe raw materials for personal care applications through cutting-edge research initiatives.

Official Website:http://www.polyrockstech.com/
Contact Person:Mr.Qi
Tel: +86 15625099910
Email:qiliangming@polyrocks.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