Introduction
SHANGDONG XIANGLONG NEW MATERIALS CORP. (山东祥龙新材料股份有限公司) is a Chinese advanced plastics materials company based in Linqu County, Weifang, Shandong Province, with a business centred on high-performance nylon materials, modified engineering plastics, and related specialty polymer products. The company is presented in industry listings as a manufacturer of transparent nylon, long-chain nylon, modified nylon, PA66 resin slices, and specialty materials such as PEEK and PPSU, positioning it within the segment of technical plastics used in demanding industrial applications.
The company’s profile indicates a focus on research, production, sales, service, and export trade, with operations spanning product development, polymerization, compounding, and downstream application support. Its product strategy emphasizes bio-based long-chain nylon, transparent nylon, and modified engineering plastics, reflecting broader industry demand for materials that combine lightweighting, chemical resistance, thermal stability, and design flexibility.
History and Development
Shandong Xianglong New Materials was established in 2004 according to company materials, while other business listings and corporate directories record its formal incorporation in 2012; the available records therefore suggest a business history that includes earlier operational roots and later corporate registration or restructuring. The company is headquartered in Weifang, a major industrial city in Shandong Province, and operates from Mishan Road, Yeyuan Industrial Park, Linqu.
Several development milestones are identifiable from public materials:
- The company expanded from an initial emphasis on modified plastics into a broader portfolio of specialty nylons, including transparent nylon, barrier nylon, and long-chain nylon.
- It built a manufacturing platform that includes multiple product divisions, with reported annual capacities ranging from 20,000 tons for transparent nylon-related operations to higher capacity claims in later exhibition materials.
- It gained recognition in Shandong as a specialized and sophisticated enterprise and a gazelle enterprise, and was also listed among the province’s manufacturing single champions in later company materials.
Business Operations and Segments
The company is described as operating several internal divisions, including modified engineering plastics, long-chain nylon, transparent nylon, modified nylon, PA66 resin slices, PPSU/PEEK, color masterbatch, TPE/TPV elastomers, and PVC calcium-zinc stabilizers.
Its business model combines:
- Polymer production
- Compounding and modification
- Application-oriented product development
- Domestic sales and export trade
- OEM and ODM services for customers in multiple markets
Industry listings and company-facing materials indicate that the firm supplies customers in sectors requiring engineered polymers with specific performance profiles, including transparency, impact resistance, chemical resistance, dimensional stability, and heat resistance.
Products and Technologies
Shandong Xianglong’s best-documented product families are transparent nylon, long-chain nylon, and modified engineering plastics. These materials are used where conventional polyamides may not provide sufficient optical clarity, barrier properties, or thermal performance.
Key product and technology areas include:
- Transparent nylon series: positioned for applications needing high transparency, toughness, and lower moisture absorption than conventional nylon grades.
- Barrier nylon and long-chain nylon: developed for improved chemical resistance, flexibility, and performance in specialized industrial uses.
- Bio-based long-chain nylon: described in industry coverage as using renewable feedstocks such as castor oil and palm oil-derived monomers in some formulations.
- High-temperature transparent polyamide: listed among the company’s development priorities and future product directions.
- PEEK and PPSU-related materials: referenced in company materials as part of the specialty engineering plastics portfolio.
The company’s technical positioning is supported by a polymer testing laboratory and an R&D team of more than ten professionals and technicians in polymer fields, according to supplier profiles. One industry report also notes the use of multiple biobased long-chain transparent nylon production lines and modified engineering plastics lines, suggesting a manufacturing setup oriented toward both polymerization and downstream compounding.
Applications and End Markets
Public company materials and exhibitor listings associate Xianglong’s products with a wide range of end uses. Reported application sectors include:
- Automotive
- New energy vehicles
- eVTOL and aerospace-adjacent mobility
- Rail transit
- Unmanned aerial vehicles
- Optics
- Cable and wire
- Piping and tubing
- Smart wearables
- Electronics and electrical
- Sports goods
- Water treatment
- Packaging
Supplier listings also describe transparent nylon grades as suitable for medical and automotive applications, reflecting the material’s combination of clarity, memory effect, and chemical resistance.
Global Presence and Market Position
The company’s international trade department was reportedly established in 2015, after which its products were exported to North America, Europe, Korea, the Middle East, and Southeast Asia. ChinaPlas exhibition materials describe the company as serving customers in more than 30 countries and regions and offering OEM and ODM services.
Public profiles also indicate that Xianglong has developed into an established supplier of specialty nylon materials with a meaningful presence in China’s advanced polymer segment. A patent database summary attributes 37 patents to the company, indicating an active intellectual-property base in polymer materials development.
Research and Development
R&D appears to be central to the company’s identity. Company and exhibition materials describe a dedicated research team, cooperation with external R&D partners, and an in-house polymer testing laboratory.
The company’s innovation themes include:
- Bio-based polyamides
- Transparent and barrier nylon formulations
- High-temperature transparent polyamides
- Specialty modified engineering plastics
- Application-specific compound development
One industry report describes a product developed through cooperation with domestic universities and advanced equipment imports, emphasizing low density, high light transmission, memory characteristics, and favorable mechanical performance in an amorphous transparent nylon material. These characteristics align with the broader market trend toward engineered plastics that can replace metal or traditional plastics in weight-sensitive and performance-critical applications.
Quality Management and Certifications
Company materials indicate certification to ISO 9001, ISO 14001, ISO 45001, and IATF 16949, reflecting quality, environmental, occupational health and safety, and automotive supply-chain requirements. ChinaPlas exhibitor information also identifies the company as a “Shining Niche” company and as a specialized and sophisticated enterprise under Chinese government recognition.
Sustainability and Environmental Initiatives
The company’s sustainability profile is tied mainly to its emphasis on bio-based nylon materials and renewable feedstock pathways. The use of bio-based inputs in long-chain nylon corresponds with a wider industry shift toward reducing reliance on fossil-derived monomers and increasing the share of renewable raw materials in engineering plastics.
At the same time, the company continues to operate in a segment where energy use, process emissions, and end-of-life polymer management remain important industry concerns. Its public materials emphasize performance and domestic substitution alongside bio-based development, rather than a broader published environmental reporting framework.
Financial Performance and Economic Impact
Supplier profiles place the company in the US$10 million to US$50 million annual output range, with another trade platform estimating annual revenue between US$10 million and US$25 million. These figures suggest a mid-sized industrial plastics producer rather than a large integrated polymer group.
The company contributes to the local manufacturing economy in Weifang and Linqu through industrial employment, polymer processing capacity, and participation in domestic and export supply chains for engineered plastics.
Innovations and Future Outlook
Xianglong’s future direction appears to be centred on high-performance special nylons, bio-based materials, and further extension into high-temperature transparent polyamides and other specialty engineering plastics. Its participation in ChinaPlas’s specialized-enterprise programme and its recognition as a provincial niche manufacturer indicate continued alignment with China’s industrial policy emphasis on specialized, high-value materials.
The company’s prospects are likely to depend on continued advances in polymerization control, transparent nylon process stability, automotive qualification, and application development in sectors such as mobility, electronics, and advanced consumer products.
References
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CPS+ eMarketplace. (n.d.). SHANGDONG XIANGLONG NEW MATERIALS CORP.SHANGDONG XIANGLONG NEW MATERIALS CORP.. CPS+ eMarketplace. https://www.chinaplasonline.com/eMarketplace/ExhibitorInfo?CompId=1032840Link