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Company›WEIFANG TIANRUI CHEMICAL CO., LTD.

WEIFANG TIANRUI CHEMICAL CO., LTD.

The manufacturer produces chlorinated polyethylene, acrylic processing aids, and thermoplastic elastomers primarily for PVC and cable compounds. Emphasis is placed on halogen-free flame-retardant formulations, impact modification, and quality management systems established since 2002, supporting both domestic and international markets through customized polymer solutions.

9 views0 mentionsUpdated October 22, 2026

Introduction

Weifang Tianrui Chemical Co., Ltd. (潍坊天瑞化工有限公司) is a Chinese specialty chemicals and polymer materials manufacturer based in Weifang, Shandong Province, with a business focus on chlorinated polyethylene (CPE), acrylic processing aids (ACR), and thermoplastic elastomers (TPE) for plastics and rubber applications. The company positions itself as a producer of high-performance polymer additives and related materials for PVC processing, cable compounds, impact modification, and flame-retardant formulations, and it also serves export markets through its overseas sales and distribution channels.

According to company materials and third-party supplier listings, Tianrui’s product portfolio includes CPE 135A/135B, ACR impact modifiers and processing aids, halogen-free flame-retardant TPE materials, and specialized cable and plug compounds for industrial and electrical uses. The company states that it has established a manufacturing base for specialty chemical materials and has invested in a research center in Shanghai focused on halogen-free, high-flame-retardant thermoplastic elastomers, reflecting the broader plastics industry trend toward higher-performance and lower-emission formulations.

History and Development

Weifang Tianrui Chemical’s public-facing materials describe the company as an established manufacturer in the polymer additives sector, with third-party business directories listing its founding as 1998 and later supplier profiles describing a sustained presence in international trade. Some online supplier references also describe the company as a manufacturer of new polymer materials with a substantial production site in Weifang.

Key development milestones described in company-related sources include:

  • 2002: The company reports that its quality assurance system passed QS9000/ISO 9001 certification, and it subsequently implemented ISO 9001:2000-style quality management practices across incoming inspection, in-process inspection, and final product testing.
  • 2009: Company materials state that Tianrui began investing in a second-phase expansion, with plans for a larger integrated chemical materials base covering 200 mu and a projected output scale of 100,000 tons per year.
  • Research expansion: The company states that it created a research center in Shanghai Qingpu District to support development of halogen-free flame-retardant TPE and related custom materials for customer-specific requirements.

Business Operations and Segments

Tianrui operates as a manufacturer and exporter of polymer additives and specialty materials, with business descriptions emphasizing production, R&D, sales, and customization. Its commercial activity is centered on plastics and rubber intermediates used by downstream processors rather than consumer-facing finished goods.

The company’s core operating segments, as reflected in public materials, include:

  • PVC additives
  • CPE-based impact modifiers and rubber-grade compounds
  • ACR processing aids and impact modifiers
  • TPE and halogen-free flame-retardant materials
  • Cable and wire compounds
  • Customized polymer formulations for application-specific performance targets

Supplier listings also indicate export-oriented operations and international customer service, with overseas markets mentioned in connection with Europe and parts of Asia.

Products and Technologies

Tianrui’s product line is built around polymer modification and compounding technologies used to improve the processability, toughness, weatherability, and flame performance of plastics.

Main product families

  • Chlorinated polyethylene (CPE): Described by the company and distributors as an impact modifier for PVC and, in rubber-grade variants, as a material used in rubber applications and magnetic products.
  • Acrylic processing aids (ACR): Marketed for use in PVC extrusion, injection molding, foamed products, transparent products, and lubrication-related processing support.
  • Acrylic impact modifiers: Used to improve the impact resistance of PVC products, particularly in profiles, pipes, sheets, and molded items.
  • Thermoplastic elastomers (TPE): Company materials emphasize halogen-free flame-retardant TPE development, including materials for electrical and cable-related applications.
  • Cable and wire compounds: Public descriptions mention outdoor cold-resistant, oil-resistant, flame-retardant cable materials and halogen-free electronic wire compounds.

Technical characteristics and process functions

The company’s listed materials suggest a focus on polymer compatibility, impact enhancement, heat and weather resistance, and flame-retardant formulation design. For PVC processors, these types of additives are typically selected to optimize extrusion stability, melt behavior, surface quality, and end-use durability; Tianrui’s own descriptions specifically reference extrusion, injection molding, foamed products, transparent products, and cable compounds as target applications.

Applications and End Markets

Tianrui’s materials are directed primarily at downstream plastics and rubber processors serving industrial and building-material markets.

Major application areas identified in public sources include:

  • PVC profiles, pipes, panels, and sheets
  • PVC injection-molded products
  • Foamed PVC products
  • Transparent PVC products
  • Wire and cable compounds
  • Rubber and magnetic-material applications for certain CPE grades
  • Electrical accessories and plugs using halogen-free flame-retardant materials

These applications place the company within the broader ecosystem of plastics additives suppliers that support performance tuning for construction products, electrical goods, and industrial polymer processing.

Global Presence and Market Position

Company and third-party supplier listings indicate that Tianrui sells into domestic Chinese markets and exports to multiple overseas destinations. One supplier profile states that the company exports to countries including Germany, the United Kingdom, Turkey, Ukraine, Pakistan, India, Thailand, Russia, and South Korea. Another supplier directory notes that the company holds an import and export license and serves international markets.

Industry directory entries describe Tianrui as a manufacturer based in Weifang, Shandong, an industrial center with a strong chemical and materials manufacturing base. Research and market listings also identify the company among Chinese participants in the bromine derivatives and plastics-additive supply landscape, although the public evidence here is broader industrial classification rather than a detailed market-share disclosure.

Research and Development

R&D is presented as a central part of Tianrui’s business model. Company materials state that it has invested significant labor and resources into new-material development and built a dedicated research center in Shanghai focused on halogen-free, high flame-retardant thermoplastic elastomers.

Public descriptions of its development activity emphasize:

  • Customer-specific formulation development
  • New-grade design for PVC and cable applications
  • Flame-retardant material development
  • Process-oriented performance optimization for extrusion and molding uses

This emphasis aligns with the wider plastics additives sector, where product differentiation often depends on formulation expertise, processing behavior, and compliance with performance and safety requirements.

Sustainability and Environmental Initiatives

Tianrui’s public materials highlight halogen-free flame-retardant materials, which are commonly associated with lower-halogen formulations in cable and electrical applications. In plastics markets, such materials are often pursued to address performance requirements as well as regulatory and customer preferences for reduced halogen content in selected end uses.

The company’s stated focus on custom development for specialized applications suggests an approach centered on application-driven material substitution and optimization, rather than broad public disclosure of formal environmental metrics.

Quality Management and Certifications

Tianrui states that its quality assurance system received QS9000/ISO 9001 certification in 2002, and that it applies ISO 9001-style controls throughout the production cycle. Company materials describe controls covering:

  • Incoming material inspection
  • In-process inspection
  • Finished-product performance testing

Third-party supplier profiles also list ISO 9001 among the company’s management-system credentials.

Innovations and Future Outlook

Tianrui’s future direction, as reflected in public materials, is tied to three industry themes: specialty additive development, higher-performance flame-retardant materials, and capacity expansion. Its research emphasis on halogen-free TPE and its planned integrated production base indicate a strategy aimed at serving customers that require tailored polymer modification rather than commodity-grade output.

In the plastics industry, suppliers in this segment face continuing demand for materials that improve processing efficiency, mechanical performance, and fire safety while accommodating evolving customer and regulatory expectations. Tianrui’s portfolio suggests that it is positioned to participate in that shift through CPE, ACR, TPE, and cable-compound offerings.

References

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    CPS+ eMarketplace. (n.d.). WEIFANG TIANRUI CHEMICAL CO., LTD.WEIFANG TIANRUI CHEMICAL CO., LTD.. CPS+ eMarketplace. https://www.chinaplasonline.com/eMarketplace/ExhibitorInfo?CompId=1013506Link