As an important polymer material, polyisobutylene is widely used in many fields. High molecular weight polyisobutylene has attracted great attention from the market due to its unique performance characteristics. With the continuous development of the domestic chemical industry, a number of excellent high molecular weight polyisobutylene manufacturers have emerged. This introduction will focus on the top ten manufacturers of this type in China, showing their advantages and characteristics in production technology, product quality, market share, etc., to help readers better understand the leading companies in this industry and the development status of China's high molecular weight polyisobutylene industry.
1. Zhejiang Xinhui New Materials Co., Ltd.: 
Registered and established in China Chemical New Materials (Jiaxing) Park in Jiaxing Port Area in July 2008, it is a chemical new materials enterprise integrating R&D, production and sales.
It has two sets of butyl rubber production facilities with an annual output of 100,000 tons in Zhejiang and Panjin, with an annual comprehensive production capacity of 200,000 tons. It is currently China's leading butyl rubber company with leading production capacity and complete product brands.
Using industrial software such as process simulation and pinch point analysis technology to carry out technological innovation, promote green transformation of the entire process, and reduce energy consumption year by year.
Using imported supOS industrial operating system and other technologies to promote the integration of "two-industry" and create a green factory.

2. Shandong Hongrui New Materials Technology Co., Ltd.:
A Sino-Hong Kong joint venture established in 2006, it is one of the main manufacturers of polyisobutylene, with the brand HRD.
It has strong R&D capabilities, many senior engineers and management talents, and has extensive cooperation with domestic universities and research institutions.
The products cover multiple categories such as low molecular weight and medium molecular weight polyisobutylene, including food grade, industrial grade, high activity grade and conventional grade.
3. Hangzhou Shunda Group Polymer Materials Co., Ltd.:
As a world-leading polymer materials company, it is the only company in China that produces medium molecular weight polyisobutylene and has many customers at home and abroad.
Located in Qingshan Industrial Park, it can supply polyisobutylene products with an average viscosity of 30,000 and above.
Focusing on the research and development and production of high molecular weight polyisobutylene, the product quality has a high degree of recognition in the industry and is widely used in adhesives, sealing materials and other fields.
4. PetroChina Co., Ltd.:
One of China's largest oil and gas production and sales companies, it plays an important role in the production of high molecular weight polyisobutylene.
With a complete industrial chain and strong scientific research strength, the high molecular weight polyisobutylene products it produces have stable quality and are widely used in many fields such as petrochemicals and rubber products.
With production bases in many places in China, it can achieve large-scale production to meet the needs of domestic and foreign markets.
5. Sinopec Group:
A leading enterprise in the domestic chemical industry, it has advanced production technology and a large production scale.
Investing a lot of resources in the research and development and production of high molecular weight polyisobutylene, and continuously launching high-performance products.
The products not only occupy a large share in the domestic market, but are also exported to many countries and regions, and have a certain influence internationally.
6. Panjin Xinhui New Materials Co., Ltd.:
Incorporated in December 2019, it is a wholly-owned subsidiary of Zhejiang Xinhui New Materials Co., Ltd., integrating R&D, production and sales.
Together with Zhejiang Xinhui, it has a butyl rubber production capacity of 200,000 tons/year. The products are widely used. It has passed the high-tech enterprise certification and carried out industry-university-research cooperation with universities.
Relying on the technical and resource advantages of the parent company, it has developed rapidly in the production and sales of high molecular weight polyisobutylene, with reliable product quality and strong market competitiveness.
7. Shanghai Sanaifu New Materials Co., Ltd.:
It has profound technical accumulation in the field of fluorine chemicals and is also involved in the production of high molecular weight polyisobutylene.
Focusing on technological innovation and product quality improvement, its high molecular weight polyisobutylene products have a certain market share in some high-end application fields.
Relying on its brand influence and technical strength, it continues to expand the market and establish a good reputation in the industry.
8. Jiangsu Yak Technology Co., Ltd.:
It is an enterprise engaged in chemical industry, with a certain business layout in the field of polymer materials.
It actively carries out the research and development and production of high molecular weight polyisobutylene, and improves product quality and production efficiency by continuously introducing advanced technology and equipment.
The products have been applied in the fields of electronics, aerospace, etc., providing strong support for the development of related industries.
9. Dongyue Group Co., Ltd.:
It is a large chemical enterprise group with outstanding performance in many chemical fields.
It is committed to the research and development and production of high molecular weight polyisobutylene, with advanced production technology and testing equipment to ensure that product quality meets international standards.
Its products have a high reputation in domestic and foreign markets and are widely used in automobiles, construction and other industries.
10. Wanhua Chemical Group Co., Ltd.:
A world-renowned chemical new materials company, it is in a leading position in the fields of polyurethane, and is also involved in the production of high molecular weight polyisobutylene.
It has a strong R&D team and innovation capabilities, and can continuously develop high-performance high molecular weight polyisobutylene products according to market demand.
With its global layout and perfect sales network, its products are sold well in many countries and regions around the world, and it has an important position in the industry.
