Company›WEIHAI JINHONG GROUP CO., LTD.

WEIHAI JINHONG GROUP CO., LTD.

The group operates within the plastics industry as a producer of impact modifiers and processing aids used to improve the performance of rigid PVC products while its broader corporate portfolio also includes fine chemicals new materials and environmental protection-related businesses. Jinhong Group has developed a broader industrial structure beyond additives including chemical raw materials polymer materials and technology-oriented subsidiaries with an enterprise technology center and postdoctoral research workstation.

2 views0 mentionsUpdated October 21, 2026

Introduction

WEIHAI JINHONG GROUP CO., LTD. is a Chinese plastics and chemicals group based in Weihai, Shandong, with a core business centered on PVC additives, chlorinated polyethylene (CPE), and related polymer materials. The group operates within the plastics industry as a producer of impact modifiers and processing aids used to improve the performance of rigid PVC products, while its broader corporate portfolio also includes fine chemicals, new materials, environmental protection-related businesses, and other industrial activities.

The company’s plastics-facing business is built around Weihai Jinhong Polymer Co., Ltd., founded in 2005 as a foreign-investment enterprise controlled by Jinhong Group. That subsidiary reports a registered capital of RMB 60 million, around 300 employees, and more than 30 technical personnel, reflecting a manufacturing model that combines scale production with applied R&D. Its principal product, chlorinated polyethylene (CPE), is used primarily to improve the impact resistance of hard PVC products, placing the company in a key upstream segment of PVC compounding and modification.

Public company and industry-platform descriptions indicate that Jinhong Group has developed a broader industrial structure beyond additives, including chemical raw materials, polymer materials, new materials, and technology-oriented subsidiaries. Company and exhibition listings also associate the group with a portfolio of plastics-related products and a sustained presence in the additives market, where CPE, acrylic impact modifiers, and PVC processing aids are central offerings. Industry media have described the group as an important domestic producer of plastic additives, supported by an enterprise technology center, postdoctoral research workstation, and multiple invention patents.

History and Development

Jinhong Group’s plastics business grew out of an older industrial base in Weihai and was reorganized into a modern group structure over time. The company’s legacy is commonly traced to the former Weihai Chemical Materials General Factory, from which its chemical operations were developed.

A major milestone came with the establishment of Weihai Jinhong Polymer Co., Ltd. in 2005, which became the group’s focused platform for PVC additives and polymer materials. This gave the group a more specialized industrial vehicle for CPE and related products, with separate capacity, staffing, and sales functions.

Another important development was the expansion from a single-product chemical maker into a multi-subsidiary enterprise. Company materials describe several affiliated businesses, including pipe manufacturing, environmental protection chemicals, and other industrial operations. This indicates a move from a narrow additives business toward a wider plastics and materials ecosystem.

More recent reports emphasize the company’s shift toward higher-value manufacturing, innovation systems, and digital upgrading. Local industrial reporting describes Jinhong as a nationally recognized specialized and sophisticated enterprise, with a national enterprise technology center, a postdoctoral research workstation, and more than 120 patents, alongside recognition as a smart factory and green factory.

Business Operations and Segments

Jinhong Group’s plastics-related operations are concentrated in the production of PVC modification materials and related chemical inputs. Its business scope, as reflected in company descriptions, includes research and development, production, and sales of chemical raw materials, chemical additives, and polymer materials.

Key operating areas include:

The group’s subsidiary structure suggests a vertically and laterally diversified industrial model. Public listings mention related entities involved in pipe products, environmental materials, dendrimer technology, and other specialty materials, showing that Jinhong’s industrial footprint extends beyond one additive category. Some company pages also reference trade and overseas sales activity, indicating that the group does not rely solely on the domestic market.

Products and Technologies

Jinhong’s best-known product is chlorinated polyethylene (CPE), a thermoplastic elastomeric material widely used as an impact modifier in rigid PVC formulations. In practical terms, CPE improves toughness and crack resistance in PVC products, making it relevant to pipes, profiles, fittings, sheets, and other rigid PVC applications.

Other products and technical categories associated with the group include:

  • Acrylic impact modifiers for improving low-temperature impact performance in rigid PVC
  • PVC processing aids for melt processing and extrusion behavior
  • CPVC-related and specialty additive products referenced in marketplace listings
  • Water treatment chemicals, including PAC and PAM in older company descriptions of related operations

The company’s technical capacity is supported by a reported enterprise technology center and postdoctoral research workstation, which suggests a structured approach to formulation development and product optimization. Industry descriptions also indicate participation in national and industry standard-setting, although the publicly available material does not specify every standard or technical committee involved.

From a manufacturing perspective, this product mix places the company in the performance-additives segment of plastics, where product consistency, dispersion behavior, heat stability, and impact efficiency are important commercial criteria. That positioning is especially relevant in rigid PVC, a major material family in construction and infrastructure applications.

Applications and End Markets

Jinhong’s plastics products are primarily used in hard PVC applications, where impact resistance is a major performance requirement. Based on the product categories disclosed, the company’s materials are relevant to:

  • PVC pipes and pipe fittings
  • Profiles and window systems
  • Rigid sheets and panels
  • Construction-related PVC products
  • Industrial PVC compounds
  • Other rigid thermoplastic formulations requiring impact modification

Because CPE and similar modifiers are typically sold into compounders and downstream processors rather than final consumer markets, Jinhong’s end-market exposure is tied closely to the health of the construction, infrastructure, and industrial plastics sectors. Its performance is therefore influenced by PVC demand, compounder purchasing cycles, resin price movements, and the broader pace of building and industrial activity.

Global Presence and Market Position

Available sources show Jinhong as a China-based manufacturer with a substantial domestic industrial base in Weihai and commercial presence in overseas markets. Its company descriptions state that products have been sold in many countries and regions, and one supplier listing says a large share of output is exported.

Industry reporting and local media describe the group as an important plastics-additives producer with notable technical capacity and patent activity. While publicly available materials do not provide audited global market-share data, the company appears to occupy a recognized niche in the Chinese and international PVC additives market, particularly in CPE and related impact-modifier categories.

Sustainability and Environmental Initiatives

Jinhong’s public materials suggest an increasing emphasis on smart manufacturing, green factory practices, and industrial upgrading. These themes are consistent with broader Chinese chemical-industry trends, where manufacturers are expected to improve energy efficiency, emissions control, and production intelligence while maintaining product quality.

The group is also linked in public reporting to environmental protection-related activities through affiliated business lines, although the precise scope of those operations is not fully detailed in the materials provided. Because chemical additives manufacturing can involve energy-intensive and emissions-sensitive processes, environmental management is likely to be an important operational issue even where company disclosures remain limited.

Local policy and funding notices indicate that Jinhong has been included in regional manufacturing-support programs, including a relocation-related project for a new series of plastic processing aids and a 2024 list of firms receiving manufacturing-development support in Lingang District. These references suggest continuing investment in upgraded, potentially more efficient production capacity.

Financial Performance and Economic Impact

The publicly available sources provided for this article do not include audited stand-alone financial statements for the plastics subsidiaries. For the listed parent company with a similar name, third-party financial platforms report revenue and employee figures, but that entity is engaged mainly in natural gas and related businesses and should not be conflated with Weihai Jinhong’s plastics operations.

For the Weihai-based plastics group, the clearest economic indicators are operational: registered capital, staffing, factory base, subsidiary network, export activity, and recognized manufacturing status. Together, these point to a mid-sized industrial manufacturer with significance in the regional materials economy and a role in the supply chain for PVC processors.

Leadership and Corporate Governance

Publicly accessible sources identify Xu Dongguo as a key executive associated with Weihai Jinhong Polymer Co., Ltd., and company-registration data show him as the legal representative of that subsidiary. The broader group also operates through multiple subsidiaries and industrial entities, indicating a layered governance structure typical of Chinese manufacturing groups.

The materials provided do not supply a full board roster or a detailed governance report for the Weihai plastics group itself. However, the presence of formal subsidiaries, registered capital structures, and technical institutions suggests an organized corporate framework with distinct operational and research functions.

Innovations and Future Outlook

Jinhong’s innovation profile is centered on materials formulation, polymer modification, and new-materials development. Its reported research institutions and patent portfolio indicate an effort to move beyond commodity additives toward differentiated specialty products with more demanding performance requirements.

Several factors are likely to shape the company’s future:

  • Continued demand for high-performance PVC additives in construction and infrastructure
  • Competitive pressure from alternative impact modifiers and resin systems
  • Regulatory and customer expectations for cleaner, more efficient chemical manufacturing
  • Ongoing investment in digitalization, smart factories, and green production
  • Possible expansion into adjacent specialty-materials categories through group subsidiaries

The company’s long-term position will depend on its ability to maintain product quality, sustain export competitiveness, and adapt to changing requirements in plastics performance, environmental compliance, and downstream compounder demand.

Summary

WEIHAI JINHONG GROUP CO., LTD. is a Weihai-based industrial group whose plastics business is anchored in CPE, PVC impact modifiers, and related polymer additives. Its development from a regional chemical base into a diversified materials group, combined with technical institutions and manufacturing expansion, places it as a notable participant in China’s performance-additives sector.

References

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    CPS+ eMarketplace. (n.d.). WEIHAI JINHONG GROUP CO., LTD.WEIHAI JINHONG GROUP CO., LTD.. CPS+ eMarketplace. https://www.chinaplasonline.com/eMarketplace/ExhibitorInfo?CompId=1010373Link