Your Trusted Partner in PEEK & PI Solutions
With 200+ experts and 150+ advanced machines, Allstar Material delivers high-quality PEEK & PI materials and precision parts trusted by critical industries worldwide. We offer reliable, end-to-end solutions backed by innovation, consistency, and global reach.
Comprehensive PEEK & PI: Raw Materials to Finished Part Machining.
Fast Turnaround: In-stock standard shapes; OEM orders typically ship in 7 days.
Advanced R&D supported by collaboration with Dalian University of Technology.
ISO 9001 & AS9100 Certified Quality Management System.

Main PEEK & PI Products
Explore our core range of high-performance PEEK products, including sheets, rods, films, and precision gears—engineered for demanding industrial applications.

PEEK Sheet
PEEK sheet: A high-performance thermoplastic sheet offering exceptional strength, temperature, and chemical resistance for demanding applications.

PEEK Rod
PEEK rod: A strong, stiff, and dimensionally stable thermoplastic rod used for machining parts requiring high temperature and chemical resistance.

PEEK Film
PEEK film: A thin, flexible, and high-performance thermoplastic film with excellent dielectric properties and chemical resistance.

PEEK Gear
PEEK gear: A high-strength, low-friction, and wear-resistant gear that can operate at high temperatures and in harsh chemical environments.

PEEK Bearing Cage
PEEK bearing cage: A lightweight, dimensionally stable, and wear-resistant cage that allows bearings to operate at high speeds and temperatures.

PEEK O-ring
PEEK O-ring: A chemically resistant and high-temperature sealing ring that provides a reliable seal in demanding applications.

PEEK Cable
PEEK cable: A high-performance cable with excellent insulation, temperature, and chemical resistance for harsh environments.

PEEK Screw
PEEK screw: A strong, non-metallic screw with excellent chemical resistance and high-temperature capabilities.

PI Sheet
PI sheet: A high-performance polyimide sheet with exceptional thermal stability, mechanical strength, and chemical resistance, even exceeding PEEK in some areas.

PI Rod
PI rod: A dimensionally stable polyimide rod with excellent high-temperature performance and wear resistance for demanding applications.

PI Tube
PI tube: A high-performance polyimide tube with excellent thermal and chemical resistance, often used for insulation and fluid transport.

PI Film
PI film: An extremely thin and flexible polyimide film with outstanding dielectric strength and high-temperature resistance.
Applications of PEEK & PI
Our high-performance PEEK and PI materials are trusted across industries for their exceptional strength, heat resistance, and electrical insulation. From electric vehicles and petrochemical systems to high-end audio equipment, they deliver reliable performance in the most demanding environments.

New Energy Vehicles
PEEK’s lightweight nature, high strength, temperature resistance, and excellent electrical insulation properties are utilized in battery systems, motor components, and connectors to improve energy efficiency and safety.

Petrochemical Industry
PEEK’s exceptional chemical resistance, high temperature and pressure resistance, and wear resistance are used to manufacture seals, valves, pump components, and pipe linings, ensuring reliable operation in extreme environments.

High-End Audio
PEEK film, with its unique acoustic properties, high stiffness, and low internal damping, is used as a diaphragm material, resulting in clearer and more accurate sound reproduction.
About Us
Dalian Allstar Material Co., Ltd. established in 2018, is a Dalian, China-based high-tech enterprise specializing in high-performance engineering plastics. We integrate research, development, production, and sales to deliver superior solutions to our global clientele.
Our team of over 200 professionals operates advanced manufacturing and testing facilities (over 150 units). We focus on PEEK (polyetheretherketone), PI (polyimide), and other specialized engineering plastics, offering a comprehensive product portfolio of over 1,000 items, including sheets, rods, tubes, and precision-machined components.
Our products are widely utilized in demanding industries such as nuclear power, military, automotive, petrochemical, and high-end audio. Our materials are exported to key markets, including the United States, Germany, the United Kingdom, Canada and Southeast Asia. Committed to customer satisfaction, quality, and innovation, Oushida strives to build long-term, stable partnerships with customers around the world, driving industrial advancement. We provide more than just products; we deliver reliable engineering plastic solutions.

Ensuring Product Quality
100% Inspection
Every product is meticulously checked for dimensional accuracy and surface finish.
Mechanical Property Verification
In-house tensile testing equipment is utilized to confirm material performance.
ISO Compliant Procedures
All processes strictly adhere to established ISO standards.