POLYMER MATERIAL SCIENCE
Plastic raw materials.
Engineered for performance.
Virgin polymers, modified compounds and recycled materials—selected with technical expertise and supplied globally.
Material intelligence, delivered globally
Beyond plastic supply,
we deliver material solutions.
STIT connects advanced polymer expertise with China's premium supply chain—helping global manufacturers select better materials and build better products.
Discover STIT Core capabilities
One platform.
Three material systems.
From trusted commodity polymers to application-specific compounds and circular alternatives.
Virgin Plastic Materials
High-performance polymers from trusted global suppliers.
Modified Plastic Solutions
Application-led engineering compounds built around your performance targets.
Recycled Plastic Materials
Reliable recycled polymers for lower-impact, modern manufacturing.
STIT intelligence
Find the right material
for your product.
Translate product, process, and performance requirements into a focused material shortlist.
01
Product requirement
02
Manufacturing process
03
Performance targets
04
Material matching
05
Recommended grades
Suggested material familyPA66 · GF30 · FR
High stiffness · Heat resistance · V-0 potential
92% match
Preliminary guidance only. Final selection requires application testing and engineering validation.
Material library
Explore materials
by performance.
Start with a polymer, grade, process, or property.
Search PP T30S, HDPE, PA66, POM...↵
PA66 GF30ENGINEERING POLYMER
Stiffness94
Heat resistance88
Impact72
Processability67
Chemical resistance82
Global supply network
China's polymer advantage.
Connected to the world.
Responsive sourcing, coordinated logistics, and application support for manufacturers and distributors across key global markets.
- Supplier qualification
- Export coordination
- Technical documentation
Compare materials
See the difference.
Choose with confidence.
01PPLightweight · chemical resistant
VS02HDPETough · moisture resistant
Knowledge center
Material decisions,
made clearer.
01PP vs HDPE: choosing for your application02PA6 vs PA66: performance explained03How to select plastic materials Build what comes next
Let's build better
material solutions together.
Tell us what you are manufacturing. We'll help you move from requirement to material.