Introduction
Suzhou Long-term Materials Science Co., Ltd. is a Suzhou-based Chinese manufacturer and solution provider specializing in thermoplastic elastomers (TPE) and related elastomer alloys, with a business focus on customized material development for industrial customers. Founded in 2001 and located in Xiangcheng District, Suzhou, Jiangsu, the company positions itself around application-specific compounding, technical support, and rapid formulation of materials for demanding performance requirements.
Its portfolio centers on TPE, TPV, TPU, and related specialty formulations, with materials designed for uses in automotive parts, medical products, wire and cable, household goods, industrial components, consumer goods, and shoe materials. The company emphasizes custom development for medium- to high-specification applications, including formulations targeting chemical resistance, biocompatibility, flame retardancy, transparency, thermal conductivity, wear resistance, high elongation, and temperature resistance.
In the plastics industry ecosystem, Suzhou Long-term Materials represents a type of specialized compounder that links polymer chemistry, application engineering, and downstream manufacturing needs. Its stated strengths are in tailored elastomer design, customer-specific material development, and support for sectors where performance consistency and regulatory or functional requirements are important, especially in medical and automotive applications.
History and Development
Suzhou Long-term Materials states that it has specialized in customized TPE and alloys since 2001, building its business around formulated elastomer solutions rather than commodity plastics. The company’s development has been closely tied to expansion into application-driven sectors such as automotive, medical, and wire and cable, which require more exacting material performance than general-purpose plastics.
A notable milestone in the company’s public profile was its attainment of ISO 9001 and IATF 16949 certification, which it announced in 2018. These certifications are particularly relevant for a supplier serving automotive and other quality-sensitive markets, as they indicate formalized quality management and process discipline.
The company has also been recognized in local industrial and policy-related listings in Suzhou and Jiangsu, including entries identifying it as an innovative small and medium-sized enterprise and as part of the province’s high-tech enterprise filing list. These designations suggest an ongoing positioning toward technology-oriented manufacturing and formulation capability.
Business Operations and Segments
The company’s business model combines material development, compound production, and technical service. Rather than focusing on a broad catalog of standardized resin grades, it stresses custom formulation for customer-defined requirements, especially where properties such as hardness, purity, and processing behavior must be aligned with a specific end use.
Its business appears to be organized around several application segments:
- Automotive materials, including sealing and interior/exterior elastomer parts.
- Medical materials, including grades for medical packaging and devices.
- Wire and cable compounds, including flame-retardant TPE grades.
- Consumer and household products, including daily-use goods and appliances.
- Industrial and shoe materials, where flexibility, abrasion resistance, and processing performance are relevant.
The company describes itself as operating with production, R&D, and technical service capabilities, supported by sales and engineering teams that assist customers in selecting materials aligned with product goals. A third-party supplier profile describes the company as a manufacturer and trading company with a dedicated factory and multiple production lines, though this characterization is not a substitute for the company’s own corporate description.
Products and Technologies
Suzhou Long-term Materials’ product range is centered on thermoplastic elastomer systems and related specialty compounds. Based on its published materials and exhibition listings, its main product families include:
- TPE compounds for general and specialized elastomer applications.
- TPV grades for applications requiring rubber-like elasticity with thermoplastic processing characteristics.
- TPU materials for applications demanding toughness, elasticity, and abrasion resistance.
- Flame-retardant TPE grades for wire and cable uses.
- Medical-grade elastomer materials for packaging and device components.
The company states that it develops formulations to address a range of performance targets, including:
- Strength and hardness
- High purity
- Chemical resistance
- Biocompatibility
- Transparency
- Thermal conductivity
- Flame retardancy
- Temperature resistance
- Wear resistance
- Surface appearance, including matt or glossy finishes
- High elongation
- Environmental self-degradation claims in selected formulations
Its automotive application materials are used in items such as seals, beltline moulding, weatherstrip, dust shields, roof weatherstrip, lever handles, door handles, quarter window components, and mud guards. For wire and cable, the company highlights flame-retardant elastomer grades used in automotive, electronics, and cable applications.
In medical applications, the company has publicly described use of its medical-grade thermoplastic elastomers in cushions, stoppers, closure components, large-infusion bag films, infusion tubing, drip chambers, tourniquets, and syringe stoppers. These uses point to materials that must combine softness, cleanliness, process stability, and compatibility with regulated healthcare environments.
Applications and End Markets
The company’s materials are directed at several downstream markets where elastomer performance is central to product function.
| End market | Representative applications |
|---|---|
| Automotive | Seals, weatherstrips, handles, trim-related elastomer parts |
| Medical | Packaging films, tubing, stoppers, closures, device components |
| Wire and cable | Flame-retardant jacket and insulation materials |
| Consumer goods | Household products, daily necessities, appliance-related parts |
| Industrial products | Flexible components, performance parts, molded elastomer items |
| Footwear | Shoe materials and related elastomer applications |
The medical segment is especially visible in the company’s exhibition and trade-show presence, including listings at MEDTEC China that describe a focus on medical-grade elastomer materials for packaging and devices. Its automotive presence is also evident in application-specific product pages and in its participation in automotive-related industry membership listings.
Global Presence and Market Position
Suzhou Long-term Materials is headquartered in Suzhou, Jiangsu, China, and its contact information places its base in Weitang, Xiangcheng District. The company’s public materials emphasize service to customers “anywhere in China,” indicating a primarily domestic commercial orientation, even though it may support export or international B2B activity through marketplace listings and exhibition channels.
Its public market position is that of a specialty elastomer compounder serving niche and technical applications rather than a mass-volume petrochemical producer. In China’s broad plastics and polymer value chain, this places the company closer to downstream formulation and application engineering than to upstream resin manufacture.
The company has also appeared in industry-related and official local listings, including innovative SME and high-tech enterprise recordation materials in Jiangsu, which are commonly used in China to identify technologically oriented manufacturers.
Research and Development
Suzhou Long-term Materials repeatedly presents custom development as a central part of its business model. The company states that its research and development organization works on innovative formulations for challenging applications, using a combination of polymer technologies and additives to meet customer-specific material targets.
Its R&D emphasis appears to be especially relevant in:
- Medical materials, where purity, biocompatibility, and process consistency matter.
- Flame-retardant systems, especially for wire and cable.
- Automotive compounds, where weatherability, flexibility, and durability are important.
- Special-effect or performance-tailored grades, including transparency, tactile finish, and thermal behavior.
The company’s public statements indicate that technical service is integrated with product development, suggesting a formulation-oriented operating model in which application testing and customer collaboration are part of the development cycle.
Sustainability and Environmental Initiatives
The company states that it is committed to preventing pollution, minimizing environmental impact, and complying with applicable environmental regulations. It also refers to environmentally oriented formulations, including materials described as having environmental self-degradation characteristics in certain use cases.
From an industry perspective, such claims should be understood in the context of broader plastics-sector pressure for improved material efficiency, lower environmental footprint, and more application-specific selection of polymers. For specialty elastomer producers, sustainability initiatives often center on formulation optimization, process efficiency, and compliance-driven material selection rather than only on product end-of-life claims.
Quality Management and Certifications
Suzhou Long-term Materials announced that it had passed ISO 9001 and IATF 16949 certification in 2018. ISO 9001 is a general quality management standard, while IATF 16949 is widely associated with automotive supply-chain quality requirements.
The company also states that it relies on standardized management systems, advanced production equipment, and testing instruments to improve product stability and service capability. In specialty elastomers, this combination is important because small differences in formulation, mixing, and process control can materially affect hardness, elongation, appearance, and end-use performance.
Innovations and Future Outlook
Suzhou Long-term Materials’ future trajectory is likely to remain tied to demand for customized elastomer compounds in regulated and technically demanding markets. The strongest growth logic for such a company lies in application areas where standard materials do not sufficiently meet performance requirements, particularly medical devices, automotive sealing systems, and wire and cable formulations.
Its emphasis on rapid custom development, application engineering, and technical service suggests a strategy built around shorter development cycles and close customer collaboration. In a plastics industry increasingly shaped by performance specification, regulatory compliance, and sustainability pressure, this kind of formulation-oriented specialization is a durable competitive approach for mid-sized compounders.
Summary
Suzhou Long-term Materials Science Co., Ltd. is a Suzhou-based specialty TPE and elastomer compounder founded in 2001 and focused on custom formulations for automotive, medical, cable, and consumer applications. Its public profile is defined by application-specific materials development, quality management credentials, and a business model centered on technical service and customer-tailored elastomer solutions.
References
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CPS+ eMarketplace. (n.d.). SUZHOU LONG-TERM MATERIALS SCIENCE CO., LTD.SUZHOU LONG-TERM MATERIALS SCIENCE CO., LTD.. CPS+ eMarketplace. https://www.chinaplasonline.com/eMarketplace/ExhibitorInfo?CompId=1032076Link