PEEK & Composite
Neat, gf/cf-filled and self-lubricating grades for sealing, aerospace, electrical & downhole parts.
9 Grades · LY-101 – LY-303 View Grades & Applications
High-Performance Polymer Components Since 2006
Specialized Manufacturer of Special Engineering Plastics
Established in June 2006 in Dalian, China, Dalian Luyang Technology Development Co., Ltd. is a professional manufacturer of special engineering plastics — PEEK, PEK and PI. With a 7,500㎡ plant, 12,000㎡ building and a dedicated R&D center, we serve sealing, machinery, petrochemical, electronics, aerospace, hydrogen energy, automotive, medical and robotics industries, trusted by clients in over 20 countries.
- ISO 9001 Quality Management
- Since 2006 20+ Years Experience
- 20 Countries Clients
20+ yrs
Years of Precision Polymer Experience Since 2006
9
Material Series & 40+ Standard Grades
ISO 9001
Certified
15
Core Patents
Materials
View All Materials
Five Material Families, 40+ Grades
From neat PEEK to carbon-fiber-reinforced composites, PI, PTFE, PA and CFR-PEEK — a complete engineered material system under one roof.
PTFE & Composite
Chemical-resistant, low-friction grades for seals, abradable seals and H2-electrolysis gaskets.
3 Grades · LY-401 – LY-405 View Grades & Applications
PI & Composite
Ultra-high-temperature (320°C) wear-resistant polyimide for aerospace, military & automotive.
1 Grade · LY-601 View Grades & Applications
PA & Composite
Low-density reinforced composite housings & shells for humanoid robotics — 50% lighter than aluminium.
1 Grade · LY-902-2RC View Grades & Applications
CFR-PEEK
Continuous carbon-fiber reinforced PEEK replacing metal in aerospace, medical & oil & gas parts.
1 Grade · LY-501 View Grades & Applications
Products & Processes
Five Core Manufacturing Processes
Four precision manufacturing routes — injection molding, CNC machining, compression molding and extrusion — fully integrated in Dalian, China.
Injection Molding
High-precision injection molding with a 600T injection molding machine for volume production parts.
CNC Machining
Tight-tolerance turned and milled PEEK, PI and PTFE parts with batch traceability and COA.
Compression Molding
Compression and hot-press molding with a 500T hydraulic press for large-format and composite parts.
Extrusion
Continuous extrusion of rod, sheet, tube and custom profiles with controlled dimensions and surface quality.
Industry Solutions
View All Industries
Engineered for the Industries That Demand the Most
Application-engineered PEEK, PI & PTFE solutions across eight high-barrier industries.
Robotics
Lightweight, wear-resistant gearbox and actuator components that keep robots precise and quiet.
Aerospace
Up to 70% lighter than steel with high-temperature stability for engine and cabin components.
Sealing
High-pressure, high-temperature sealing rings that hold their shape and seal longer.
Petroleum & Petrochemicals
H₂S-resistant downhole and surface components built for corrosive, high-pressure wells.
Mechanical Equipment
Self-lubricating bearings and wear components that cut downtime in pumps and gearboxes.
Electronic Appliances
Dimensionally stable insulation and connector components with low outgassing.
Hydrogen Energy
Seals and insulating inserts that keep electrolyzers and hydrogen systems safe and efficient.
Automotive
Lightweighting and drivetrain components that survive heat, oil and vibration.
Medical
Biocompatible, sterilizable components for surgical and dental applications.
Semiconductor
Ultra-clean, low-outgassing PEEK parts engineered for wafer processing and clean-room environments.
Why Choose Us
Reasons Engineers Choose Dalian Luyang
A vertically integrated PEEK, PI & PTFE specialist backed by 20+ years of application engineering.
Material Expertise
Deep in-house knowledge of PEEK, PI and PTFE grades — from neat polymers to carbon-fiber-filled compounds.
Precision Machining
CNC turning and milling to tight tolerances, with batch traceability and a Certificate of Analysis on every order.
Dual Certification
ISO 9001:2015 quality management and ISO 13485 medical device manufacturing — audited, documented and traceable.
Vertical Integration
Material selection, compounding, molding, extrusion and finishing — full control of quality, lead time and cost.
Low MOQ & Fast Sampling
Flexible minimum order quantities — start with a single qualification piece, with fast prototype lead times.
Global Support
Export experience across Europe, North America, Korea and beyond, with responsive engineering support across time zones.
About & Contact Us
Since 2006, Dalian Luyang has been a certified manufacturer of precision PEEK, PI & PTFE parts. Contact us to discuss your application.