Introduction
KISUMA (Dandong) Advanced Materials Tech. Co., Ltd. (凯司玛（丹东）高新材料科技有限公司) is a Chinese advanced materials company based in Donggang, Liaoning Province, and part of the Kisuma/Kyowa Chemical group focused on synthetic magnesium-based specialty materials for the plastics industry and related industrial markets. The company’s core portfolio includes magnesium hydroxide, synthetic hydrotalcite (layered double hydroxides), and related PVC stabilizer, acid scavenger, and halogen-free flame retardant materials, which are used in polymer compounding, rubber, coatings, and other performance-material applications.
The company traces its origins to Dandong Songyuan Chemicals Co., Ltd., founded in 2002, and later became a wholly foreign-owned enterprise under Japanese investment; in 2021 it adopted its present name as part of the group’s global corporate reorganization. Its role in the plastics sector is tied to the broader industrial use of synthetic hydrotalcites and magnesium hydroxide as additives that improve heat stability, acid neutralization, smoke suppression, and flame-retardant performance in polymer systems.
History and Development
KISUMA (Dandong) emerged from the earlier Dandong Songyuan Chemicals entity established in July 2002, reflecting the gradual expansion of specialty inorganic materials manufacturing in northeastern China. The company’s later integration into the Japanese Kyowa/Setolas corporate structure connected the Dandong operation to a long-running research and production tradition in synthetic hydrotalcites, a material family first industrialized by Kyowa Chemical in Japan.
A major milestone came in 2021, when the company changed its name to Kisuma (Dandong) Advanced Materials Tech. Co., Ltd., aligning the local entity with the group’s international brand architecture. Group disclosures also show that the Dandong company is one of several overseas subsidiaries within a wider network spanning China, Europe, the Americas, and Singapore, indicating its role in a distributed production and sales platform rather than a standalone domestic manufacturer.
The company’s product and trade-show activity suggests ongoing commercialization of specialty grades for plastics processing, including introductions under the KISUMA 5 series, DHT-4A series, and ALCAMIZER series for polymer stabilization and flame-retardant applications.
Business Operations and Corporate Structure
KISUMA (Dandong) operates as a manufacturing and materials subsidiary within the broader SETOLAS Holdings/Kyowa group structure. Company and group sources identify its location as No. 6 Tonggang Road, Donggang City, Liaoning Province, and note a site area of 121,796 square meters with substantial registered capital reported in yen on the Chinese company website.
The company is positioned within a global network that includes production and business centers in Europe, Asia, and the Americas. This structure supports both localized production and multinational customer service for industries that require consistent material specifications, technical support, and supply continuity.
Products and Technologies
KISUMA’s plastics-related portfolio centers on synthetic hydrotalcites and magnesium hydroxide materials. These materials are widely used in polymer formulation because they can function as acid scavengers, halogen scavengers, PVC heat stabilizers, and smoke-suppressing flame retardants.
Key product examples include:
| Product family | Technical role | Noted characteristics |
|---|---|---|
| KISUMA 5-C | High-purity magnesium hydroxide | Non-coating type; reported Mg(OH)\(_2\) content of 99.98%. |
| KISUMA 5A-C | Low-smoke halogen-free flame retardant | Reported Mg(OH)\(_2\) content of 97.65%. |
| KISUMA 5P-C | Surface-treated magnesium hydroxide | Treated with a silane coupling agent and described as offering improved tensile-strength performance. |
| ALCAMIZER series | PVC heat stabilizer | Marketed for polymer stabilization in trade-show materials. |
| DHT-4A series | Acid scavenger for polymers and rubbers | Used to neutralize acidic species generated during processing or service. |
From a processing standpoint, these products are relevant to polymer compounding and downstream conversion because they help manage degradation, improve thermal stability, and support halogen-free flame-retardant formulations. Their value is especially evident in PVC and other engineering plastics where acid control, thermal resistance, and smoke performance are important design criteria.
Applications and End Markets
The company’s products are used across multiple polymer and industrial applications. Kisuma’s global materials platform cites uses in window profiles, vehicles, food packaging, flooring, textiles, and 5G networking technology, indicating a broad set of end markets that depend on durable and functionally modified plastics.
For KISUMA (Dandong) specifically, publicly available product and trade-show information indicates emphasis on:
- PVC processing and stabilization.
- Halogen-free flame-retardant plastics.
- Rubber and elastomer compounds requiring acid neutralization or thermal protection.
- High-purity specialty materials for performance-sensitive formulations.
These applications align with broader industry trends toward halogen-free formulations, low-smoke materials, and improved regulatory compatibility in electrical, construction, transportation, and consumer-goods plastics.
Global Presence and Market Position
Kisuma presents itself as a major global supplier of synthetic layered double hydroxides for plastics and as a significant producer of specialty magnesium materials. Group sources state that its network includes 3 global production hubs, 7 business and technical service centers, and more than 1,000 employees worldwide.
The Dandong company participates in this international system alongside operations in the Netherlands, Japan, the United States, Singapore, and Shanghai. In industry listings and Chinese market references, the company is identified among suppliers of magnesium hydroxide and halogen-free flame-retardant materials in China.
Rather than competing as a commodity polymer producer, the company occupies a specialty additives position within the plastics value chain, where performance consistency, formulation expertise, and regulatory support are often more important than scale alone.
Sustainability and Environmental Initiatives
Kisuma’s product messaging consistently emphasizes environmentally friendly material solutions, particularly in the area of non-halogenated flame retardants and PVC stabilization. This positioning reflects the plastics industry’s gradual shift away from older halogenated systems in some applications and toward additives that can help reduce smoke, corrosive byproducts, and formulation complexity.
The company also describes its materials as supporting applications in agriculture, pharmaceuticals, and other sectors where performance and environmental profile both matter. While the firm’s public materials highlight sustainability-oriented applications, they do not provide detailed company-wide emissions, energy, or circularity targets in the sources reviewed, so any broader environmental assessment would require additional disclosure from annual reports or regulatory filings.
Leadership and Corporate Governance
Publicly available sources indicate that KISUMA (Dandong) is controlled within the Kyowa Chemical / SETOLAS Holdings group structure, with corporate changes in 2021 reflecting group-level reorganization and brand alignment. The company’s governance is therefore best understood as part of a multinational specialty-chemicals holding structure rather than as an independent listed plastics company.
Group materials identify senior leadership changes at the parent level, including the appointment of Koji Kinoshita as Representative Director and CEO of Kyowa Chemical in the cited corporate history materials. No detailed public board composition for the Dandong subsidiary was identified in the sources reviewed.
Innovations and Future Outlook
Kisuma’s strategic direction appears centered on the continued development of specialty inorganic additives for polymers, with particular emphasis on halogen-free flame retardancy, PVC stabilization, and acid scavenging. The company states that it works with customers, universities, and research institutes to introduce new products for existing and emerging applications.
Its technology platform is relevant to several industry trends:
- Fire safety and smoke-performance requirements in construction, cable, appliance, and transport plastics.
- Material compliance pressure favoring halogen-free formulations in selected applications.
- Function-driven compounding, where additives contribute not only protection but also processing stability and mechanical performance.
- Global supply reliability, supported by a multi-region production and technical-service footprint.
Summary
KISUMA (Dandong) Advanced Materials Tech. Co., Ltd. is a specialty materials manufacturer whose importance in plastics lies in magnesium-based additives rather than in polymers themselves. Through hydrotalcites, magnesium hydroxide, and related stabilizer systems, the company serves the technical needs of polymer processors seeking improved heat stability, acid control, and halogen-free flame-retardant performance.
References
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CPS+ eMarketplace. (n.d.). KISUMA (DANDONG) ADVANCED MATERIALS TECH. CO., LTD.KISUMA (DANDONG) ADVANCED MATERIALS TECH. CO., LTD.. CPS+ eMarketplace. https://www.chinaplasonline.com/eMarketplace/ExhibitorInfo?CompId=1008685Link