Weifang Polygrand Chemical Co.,Ltd.


Weifang Polygrand Chemical is a professional company engaged in R&D, production and promotion of polymer and elastomer new materials.The company has always been insisting on technology innovation, concentrating on performance new material research, technological upgrade and resource utilization,continuously pushing forward extension and expansion of industrial chain,enriching product portfolio and product updating& upgrading. We specially concentrate on development of lightweight and high safety performance materials.


Our business covers  Chlorinated Polyethylene(CPE),Chlorosulfonated Polyethylene(CSM),Magnesium Hydrochloride (MgCl2) and TMC foam material. All the high performance materials have very wide applications in different industries, mainly including automobile, home appliance, engineering plastics, wire & cable, high property flame resistant and insulation materials,conveyor belts, rubber rollers,coating materials, food,etc.

The company always holds the parallel development strategy of domestic and overseas markets,engaging in creating international industrial chain. Our overseas markets mainly cover the E.U., U.S.,Korea,Japan and part of Southeast Asia and Middle East areas.


The company is already approved by ISO 9001:2015 Quality Control System, ISO 14001: 2015 Environmental Management System, ISO 45001:2018 Occupational Heath and Safety Management System,and REACH certificates.


The company always emphasizes the importance of new product research, and owns many provincial and municipal R&D platform such as Shandong Province Enterprise Technical Center,etc.


The company always adheres to the core ideology of “Mutual beneficial cooperation,create value for our customers”,Practicing the values of environmental protection and circular economy,insisting Customer oriented and product priority, technology and innovation oriented development path,making a polymer performance new materials company with international competition advantages in the industry.

Complete Inspections Equipment



Weifang Polygrand Chemical builds an independent technical center, with a full range of test and inspection equipment necessary for CPE industry, including Rubber preparation and vulcanization equipment, Rubber Physical properties test equipment, Rubber thermal property test equipment, Chemical analysis devices, Electric properties test equipment, Rubber processing properties test equipment and Samples storage room, etc.Advanced production method and world-of-art production plant, Strong technical power, Accurate production parameters control, we ensure that we supply our customers with the exact product specifications that they need, and we ensure that the product quality .

Professional R & D Team


Our R&D team consists of more than 20 staff, which is capable of providing a serial services including grade selection guidance, rubber compounding formulation guidance, new product grade toll production, high level grade product development, after sales technical support,etc. The top management team of Weifang Polygrand Chemical pays great attention on new product grade development, so we build a world leading technical center owing a R&D team with rich experiences in chlorinated polymers and equipped with all the necessary test equipments. Our technical center and lab. are authorized as “Important Technical center” and “Important lab for chlorinated polymers”.

Advanced R&D Technology


The main equipment of Weifang Polygrand Chemical are introduced from Germany, including chlorination reaction equipment, plate filters, centrifuges, dryers, with very advanced performance and very low rate of debugs. This can ensure continuous and stable production.Weifang Polygrand Chemical builds long term strategic partnership with overseas and domestic HDPE suppliers, including the famous HDPE supplier LG Chem in Korea, and China Petroleum & Chemical Corporation (Sinopec), they can meet not only our HDPE demands in quantity, but also actively cooperate with us to modify current HDPE specifications and develop new HDPE grades. This is the solid foundation for our company to ensure long term stable production, continuously modify CPE specifications and improve quality level as well as develop new CPE grades to meed the demands of new market areas.