Introduction
Baoruilong Polymer (Tianjin) Corp. (Chinese: 宝瑞龙高分子材料(天津)股份有限公司) is a Chinese manufacturer of thermoplastic elastomers (TPEs) and other rubber–plastic blend materials. Established in 2009 and based in Baodi District, Tianjin, the company develops, produces, and sells TPV, TPE, TPR, TPO, TPU, and TPEE materials for applications including automotive components, electronics, sealing systems, and industrial products.
The company operates within the plastics-compounding and polymer-modification segment of the plastics industry. Its materials are designed to combine selected characteristics of rubber—such as elasticity, flexibility, and sealing performance—with the processing advantages of thermoplastics, including extrusion, injection molding, recyclability within suitable production systems, and reduced dependence on conventional vulcanized-rubber processing. Company and business-directory materials identify an annual production capacity of approximately 6,000 tonnes.
Baoruilong’s development has included its conversion into a joint-stock company, recognition as a Tianjin high-technology enterprise, and subsequent recognition as a national high-technology enterprise. Its market position is primarily associated with specialized elastomer compounds for automotive sealing, protective, interior, and under-hood applications rather than with commodity-scale polymer production.
History and Development
Baoruilong Polymer was established in May 2009. From its foundation, the company focused on the development and manufacture of modified rubber–plastic materials, particularly thermoplastic elastomers and thermoplastic rubbers.
Several reported milestones mark the company’s organizational and technological development:
- 2009: Establishment of Baoruilong as a polymer-materials enterprise in Tianjin.
- 2016: Transformation into a joint-stock company and admission to the Tianjin OTC non-listed equity-transfer platform under the reported stock code 000188.
- 2016: Recognition as a Tianjin high-technology enterprise.
- 2017: Recognition as a national high-technology enterprise.
The company’s development reflects the broader expansion of China’s domestic polymer-compounding sector, in which manufacturers have increasingly supplied customized materials for automotive, electrical, consumer, and industrial applications. This segment depends on formulation expertise, process consistency, customer qualification, and the ability to adapt polymer compounds to specific requirements for hardness, compression set, weatherability, flame resistance, surface finish, and processability.
Business Operations and Segments
Baoruilong’s activities are concentrated in the formulation, production, and sale of thermoplastic elastomer compounds. Its operations can be grouped into four closely connected areas:
- Polymer and rubber modification
- Thermoplastic-elastomer compounding
- Customer-specific material development
- Technical support for downstream molding and extrusion applications
The company’s production model involves combining thermoplastic polymers, elastomeric phases, fillers, plasticizers, stabilizers, pigments, and other additives to obtain defined mechanical and processing characteristics. Depending on the formulation, compounding may be carried out through melt-mixing and granulation processes suitable for subsequent injection molding, extrusion, or other thermoplastic conversion methods.
Business-directory information describes a production site in Tianjin’s Baodi District, within the Koudong industrial area. The location provides access to the Beijing–Tianjin–Tangshan industrial corridor and to major transport routes serving northern China.
Products and Technologies
Thermoplastic elastomers
Baoruilong’s principal product families include:
| Product family | General material characteristics | Representative uses |
|---|---|---|
| TPV | Rubber-like elasticity combined with thermoplastic processing; commonly selected for sealing and weather-resistant components | Automotive seals, ducts, protective parts |
| TPE | Broad family of flexible thermoplastic compounds with adjustable hardness and surface properties | Consumer, electrical, automotive, and general industrial products |
| TPR | Styrenic or related thermoplastic-rubber formulations offering flexibility and relatively straightforward processing | Grips, flexible molded parts, seals, and miscellaneous components |
| TPO | Polyolefin-based elastomeric compounds with low density and useful impact or surface properties | Automotive interior skins, trim, and molded components |
| TPU | Polyurethane-based elastomers offering abrasion resistance, flexibility, and toughness | Protective parts, tubing, cable-related products, and technical components |
| TPEE | Thermoplastic polyester elastomers combining elastic behavior with strength and temperature resistance | Engineering and industrial applications |
The performance of these materials depends on formulation and grade. Important variables may include hardness, tensile strength, elongation, tear resistance, compression set, abrasion resistance, low-temperature flexibility, heat aging, ultraviolet resistance, oil resistance, flame behavior, and adhesion to other substrates.
Processing capabilities
The company’s product classes are compatible with common thermoplastic processing routes, including:
- Injection molding for seals, covers, protective components, and interior parts
- Profile extrusion for weatherstrips, ducts, tubing, and continuous sealing products
- Co-extrusion or composite-profile production where elastomeric compounds are combined with rigid or textile-supported structures
- Granule-based processing that allows customers to meter and process compounds using conventional thermoplastic equipment
Material selection is typically determined by the balance among performance, moldability, dimensional stability, surface quality, cost, and compliance requirements. Automotive sealing applications, for example, place particular emphasis on compression set, weathering, resistance to automotive fluids, low-temperature behavior, and long-term dimensional stability.
Supporting technical documentation
Company-related listings describe the provision of material property sheets, material certificates, and material safety data documentation. Product information also refers to ISO 9001, SGS, and UL-related qualifications and to conformity with applicable European RoHS requirements.
These documents support downstream quality control and customer qualification, although the precise scope of any certification or approval depends on the relevant product grade, production site, and issuing body.
Applications and End Markets
Automotive industry
Automotive applications constitute the most prominently identified end market for Baoruilong’s materials. Reported applications include:
- Door and window sealing systems
- Glass-run channels
- Flocked window seals
- Triangular-window components
- Inner and outer beltline weatherstrips
- Dust covers
- Driveshaft boots
- Mudguards and splash-control components
- Ventilation ducts
- Bellows and corrugated tubes
- Air-intake components
- Hoses and protective covers
- High-voltage ignition-wire components
- Airbag covers
- Bumpers
- Wiper-related components
The use of thermoplastic elastomers in automotive production is associated with efforts to reduce component weight, simplify processing, integrate multiple functions, and improve consistency in high-volume manufacturing. At the same time, automotive qualification requirements can be demanding because materials must maintain performance over wide temperature ranges and under exposure to sunlight, moisture, lubricants, cleaning agents, and cyclic mechanical loads.
Electrical and electronic products
The company’s materials are also identified for electronic and electrical applications. Relevant selection criteria in this sector may include insulation behavior, flame performance, dimensional stability, flexibility, surface quality, and resistance to heat or chemicals. TPU, TPE, and other specialized compounds can be used in cable-related components, protective coverings, flexible housings, and molded parts.
Industrial and general-purpose products
Thermoplastic elastomers are used across industrial markets for flexible seals, vibration-control components, protective elements, grips, tubing, gaskets, and soft-touch parts. The suitability of a particular Baoruilong grade depends on the required mechanical profile and on the customer’s processing equipment.
Global Presence and Market Position
Baoruilong is based in Tianjin and is oriented primarily toward the Chinese polymer-processing and manufacturing market. Tianjin’s location within northern China’s automotive, machinery, electronics, and petrochemical networks provides access to customers and suppliers across the Beijing–Tianjin–Hebei region.
The company’s competitive position is associated with:
- Domestic production of multiple thermoplastic-elastomer families
- Formulation and modification of materials for defined applications
- Focus on automotive sealing and protective components
- Ability to supply thermoplastic compounds in pelletized form for injection molding and extrusion
- Quality-system and product-compliance documentation used in customer qualification
The company operates in a market that includes large multinational polymer suppliers, Chinese compounders, specialist elastomer producers, and vertically integrated automotive-materials manufacturers. Competition is shaped by raw-material costs, formulation know-how, production consistency, technical service, delivery reliability, and the ability to meet increasingly specific automotive and environmental requirements.
Research and Development
Baoruilong’s reported research orientation centers on the development of new and environmentally oriented rubber–plastic blend materials, including TPV, TPE, TPO, TPU, and TPEE compounds.
Research and development in this field generally involves:
- Controlling the morphology of rubber and thermoplastic phases
- Adjusting hardness and elasticity through polymer selection and additive design
- Improving compression-set and heat-aging behavior
- Enhancing resistance to oils, fuels, ultraviolet radiation, and weathering
- Optimizing melt flow and processing stability
- Developing grades for co-extrusion, overmolding, or composite profiles
- Reducing odor, emissions, or restricted substances in automotive interiors
- Balancing performance with material cost and production efficiency
The company’s recognition as a high-technology enterprise indicates an institutional emphasis on technical development, although product-specific performance must be assessed from the technical data and approvals applicable to each grade.
Sustainability and Environmental Initiatives
Baoruilong describes its materials as new and environmentally oriented rubber–plastic blend products. Thermoplastic elastomers can provide several potential environmental advantages in appropriate applications:
- Processing through thermoplastic equipment rather than conventional rubber-vulcanization systems
- Potential for production scrap to be reprocessed under controlled conditions
- Lower component weight in selected designs
- Opportunities for part integration and material reduction
- Compatibility with some recycling and recovery strategies
These benefits are not universal. Recyclability depends on polymer chemistry, additives, contamination, color, multilayer construction, and the availability of suitable collection and reprocessing systems. Thermoplastic elastomer compounds used in durable automotive components may also remain in service for long periods, making durability and end-of-life planning important alongside the choice of material.
The company’s reported conformity with RoHS-related requirements is relevant to restricted-substance management in applicable electrical and electronic products. Environmental performance also depends on production energy use, raw-material sourcing, emissions control, packaging, and downstream processing conditions.
Quality Management and Certifications
Company materials state that Baoruilong has implemented an ISO 9001:2015 quality management system. Related business listings also refer to ISO 9001, SGS, and UL certifications or qualifications, together with RoHS-related compliance claims.
For a compounder serving automotive and electrical customers, quality management commonly covers:
- Incoming inspection of polymers, fillers, pigments, and additives
- Controlled formulation and batch traceability
- Extrusion, mixing, pelletizing, and packaging controls
- Testing of mechanical and thermal properties
- Retention of production samples
- Management of nonconforming materials
- Documentation supporting customer audits and approvals
Certification scope should be interpreted in relation to the specific certificate, product, site, and validity period rather than as a blanket qualification for every material manufactured by the company.
Financial Performance and Economic Impact
Business-directory information reports that Baoruilong produced approximately 4,200 tonnes and recorded sales of approximately RMB 87.6 million in 2017. The same source describes an annual production capacity of approximately 6,000 tonnes.
These figures place the company within the small and medium-sized specialized-compounding segment rather than the scale of major global polymer producers. Its economic contribution is principally connected with:
- Supplying engineered materials to component manufacturers
- Supporting domestic automotive and industrial supply chains
- Creating technical and production employment in Tianjin
- Replacing or complementing imported specialty elastomer compounds
- Enabling downstream processors to use thermoplastic manufacturing methods
Earlier financial and operating figures should not be treated as indicators of current revenue, capacity utilization, or market share. Polymer-compounding performance is sensitive to the prices of base resins, synthetic rubber, fillers, additives, energy, logistics, and automotive-production volumes.
Innovations and Future Outlook
Baoruilong’s future development is likely to be influenced by several structural trends in the plastics and automotive industries:
- Increasing demand for lightweight and integrated vehicle components
- Growth of electric vehicles and changes in under-hood and thermal-management requirements
- Greater use of low-emission materials in vehicle interiors
- Requirements for improved weatherability, durability, and chemical resistance
- Expansion of recycled or partially bio-based feedstocks where performance permits
- Tighter control of restricted substances and product emissions
- Increased demand for customized compounds and shorter development cycles
For the company, opportunities may arise from developing higher-performance grades for electric-vehicle sealing systems, battery-related protection, charging infrastructure, cable components, and lightweight interior applications. Further growth will depend on maintaining consistent batch quality, building customer approvals, improving technical documentation, and managing exposure to volatile petrochemical feedstock prices.
The principal strategic challenge is the need to combine competitive pricing with increasingly demanding performance and environmental specifications. In this context, formulation expertise, process control, application testing, and close cooperation with automotive and industrial customers remain central to the company’s position in the plastics value chain.
Summary
Baoruilong Polymer (Tianjin) Corp. is a Tianjin-based Chinese manufacturer of thermoplastic elastomer and modified rubber–plastic materials. Founded in 2009, it produces and develops TPV, TPE, TPR, TPO, TPU, and TPEE compounds for automotive, electrical, electronic, and industrial applications.
Its principal significance lies in the specialized compounding segment, where material formulation and processing performance connect polymer suppliers with downstream component manufacturers. Automotive sealing systems, ducts, protective parts, interior components, and related products form an important part of its reported application base. The company’s development has included joint-stock conversion, high-technology-enterprise recognition, ISO 9001 quality management, and an emphasis on environmentally oriented thermoplastic elastomer materials.
Baoruilong’s market prospects will depend on its ability to develop application-specific grades, satisfy customer qualification requirements, respond to electric-vehicle and low-emission-material trends, and maintain reliable production amid changing raw-material and regulatory conditions.
References
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CPS+ eMarketplace. (n.d.). BAORUILONG POLYMER(TIANJIN) CORP.BAORUILONG POLYMER(TIANJIN) CORP.. CPS+ eMarketplace. https://www.chinaplasonline.com/eMarketplace/ExhibitorInfo?CompId=1040459Link