Hong Kong Registered · 15 Years of Trading

Specialized PP Resin Supply for Injection Molding & Nonwoven Applications

Sourced direct from China's leading petrochemical mills. We help global manufacturers secure the right polypropylene grades — at fair mill-direct pricing, with the reliability your production schedule demands.

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Serving 30+ countries Direct mill contracts COA & MSDS with every shipment
Petrochemical plant

Direct Supply from China's Leading Petrochemical Producers

10+
Partner Mills
50+
Grades Available
100%
Direct Mill Sourcing
15+
Years of Supply
Why Liansheng

The Quiet Difference Between a Supplier and a Partner

Fifteen years in physical polyolefin trading has taught us what matters to buyers. We don't trade from screens — we trade from relationships built over a decade on the ground in China's petrochemical hubs.

Direct Mill Sourcing

Long-term supply agreements with China's top 10 petrochemical producers. First-hand pricing, priority allocation, full lot traceability.

  • No middleman markup
  • Priority on tight grades
  • COA & MSDS on every lot

15 Years of Trading Track Record

Real shipments. Real claims handled. Real market cycles navigated. The experience that protects your production schedule and your margin.

  • 30+ countries served
  • Quality disputes resolved fairly
  • Shipment windows kept

Application Expertise

We don't just quote grades — we help you choose them. From injection molding to spunbound nonwoven, we know which resin performs in your process.

  • Grade selection guidance
  • Processing recommendations
  • Specification troubleshooting
Core Applications

Find the Right PP Grade for Your Process

We specialize in two high-volume application segments — backed by the grades, the experience, and the mill relationships to deliver consistently.

Injection Molding

Injection Molding

Crates, housewares, automotive parts, appliances, thin-wall packaging — covered by HP550J, EP300H, and EP548R.

Explore injection grades
Nonwoven & Fiber

Nonwoven & Fiber

Spunbound nonwoven for hygiene, medical, and agricultural applications — powered by HP565S, our flagship fiber grade.

Explore nonwoven grades

Need grades for other applications?

We also supply PP/PE for pipe extrusion, BOPP film, film & sheet, and wire & cable. Send us your specification.

Contact Us
Core Grades

Our High-Volume PP Resin Portfolio

These four grades represent our largest-volume shipments — but our full catalog covers 50+ PP and PE grades from China's leading mills.

PP pellets

HP550J

Homopolymer

PP homopolymer for general injection molding — housewares, toys, thin-wall parts.

MFR: ~3.5 g/10min
Manufacturer: Leading Chinese Mill
PP pellets

HP565S

Fiber Grade

PP fiber grade for spunbound nonwoven — hygiene, medical, agricultural fabrics.

MFR: ~25-35 g/10min
Manufacturer: Leading Chinese Mill
PP pellets

EP300H

Impact Copolymer

PP impact copolymer for automotive, appliances, large crates, and rigid packaging.

MFR: ~3-5 g/10min
Manufacturer: Leading Chinese Mill
PP pellets

EP548R

Impact Copolymer

PP impact copolymer for thin-wall injection — food packaging, disposables, housewares.

MFR: ~25-30 g/10min
Manufacturer: Leading Chinese Mill
View full product catalog
Global Reach

Serving Manufacturers Across Four Key Regions

From our Hong Kong base, we export to markets where polyolefin demand is growing fastest — backed by 15 years of experience handling the logistics, documentation, and payment terms each region requires.

1

Southeast Asia

Vietnam, Indonesia, Thailand, Philippines — high demand for thin-wall packaging and nonwoven grades.

2

Russia & CIS

Automotive, appliances, and large injection molded parts — impact copolymer grades in steady demand.

3

Middle East

Housewares, food packaging, and consumer goods — consistent volume for homopolymer and impact grades.

4

Asia (Broader)

South Asia, East Asia — full-grade coverage for diverse application needs.

15+
Years in Polyolefin Trading
30+
Countries Served
10+
Partner Mills in China
100%
Shipments with COA & MSDS
How We Work

A Transparent Process, End to End

No hidden fees. No specification surprises. No shipment window guessing. Just a clear, documented workflow from inquiry to delivery.

1

Requirement

Share your grade, application, volume, and destination port.

2

Grade Selection

We confirm the right grade, share TDS/COA, and quote CIF or CFR.

3

Production & QC

Mill production scheduled, third-party SGS/BV inspection available.

4

Shipment & After-Sales

Container loading, document set, tracking — and post-delivery support.

Resources & Insights

Practical Knowledge from the Field

Grade selection guides, processing tips, and market insights — written from 15 years of real trading experience.

View all articles →
Nonwoven
Nonwoven

How to Choose PP Grades for Spunbound Nonwoven Lines

MFR range, molecular weight distribution, and line speed considerations — a practical guide for nonwoven manufacturers.

Read article →
Injection
Injection Molding

HP550J vs EP300H: Which Grade for Your Part?

Homopolymer vs impact copolymer — when rigidity matters, when impact resistance wins. A side-by-side comparison.

Read article →
Market
Market

China PP Market Outlook 2026: What Buyers Should Know

Coal-based vs naphtha-based cost dynamics, new capacity additions, and implications for import buyers.

Read article →

Ready to Source with Confidence?

Tell us your grade, your application, and your destination port. We'll respond within 24 hours with mill-direct pricing and availability.

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