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Welcome To Our
Sinotek FACTORY

Sinotek Materials Co., Ltd is the most advanced manufacturer of graphitized carbon fiber insulation materials in China.

About Sinotek

A leader in advanced carbon materials with a commitment to quality, innovation, and customer satisfaction.

Company Introduction

Sinotek Materials Co., Ltd is the most advanced manufacturer of graphitized carbon fiber insulation materials in China. With an annual production capacity of 200 tons of carbon felt, 70 tons of graphite felt, and rigid graphite felt boards, we serve global industries with precision-engineered solutions.

Company Mission

Sinotek’s goal is to provide our customers with the best quality products on time and at the lowest possible cost. We strive to be the most reliable partner in advanced carbon material supply.

Company Culture

“Professionalism” is the inexhaustible driving force for SINOTEK. “Fineness” is the constant pursuit. We believe in excellence, integrity, and continuous improvement in every process.

Our Products

High-performance carbon and graphite materials engineered for industrial, energy, and aerospace applications.

Graphite Insulation Board

Graphite Insulation Board

High-density, thermally stable insulation boards ideal for high-temperature vacuum furnaces and industrial heating systems.

Graphite Felt

Graphite Felt

Flexible, lightweight thermal insulation with excellent heat resistance. Used in semiconductor, solar, and metallurgy industries.

Carbon-Carbon Composite

Carbon-Carbon Composite (CFC)

Ultra-high temperature resistant material with exceptional strength-to-weight ratio. Ideal for aerospace and braking systems.

Graphite Rope

Graphite Rope

Flexible sealing material with high thermal and chemical resistance. Used in valves, flanges, and expansion joints.

Graphite Foil

Graphite Foil

Thin, conductive foil used for EMI shielding, thermal management, and gasketing in electronics and energy storage systems.

Graphite Insulation Shield

Graphite Insulation Shield

Precision-engineered shields for thermal protection in high-temperature processing equipment and vacuum environments.

Carbon Fiber Yarns

High-strength, lightweight yarns for weaving fabrics or use in composite reinforcement and conductive textiles.

Carbon Fiber Fabrics

Woven and non-woven carbon fiber textiles for structural composites, aerospace, and high-performance engineering.

RayonGRI Cylinder & Board

Molded rigid insulation components made from rayon-based short fibers. Ideal for custom furnace linings.

Carbon Fibers

High-modulus PAN-based and pitch-based carbon fibers for advanced composite applications in automotive and aerospace.

Why Choose Sinotek?

We combine cutting-edge technology, rigorous quality control, and customer-focused service to deliver unmatched value.

Advanced Factory

State-of-the-art production facility with full vertical integration and strict process control.

Timely Delivery

Efficient logistics and global shipping with secure packaging and container fastening.

Competitive Pricing

High-quality materials at cost-effective prices, offering superior value over local vendors.

Global Trust

Trusted supplier for BESS, semiconductor, and industrial clients worldwide.

200+
Tons Annual Carbon Felt Capacity
70+
Tons Graphite Felt Production
7,000+
sqm Felt Shipped per Order
100+
Global Customers Served

Latest News

Stay updated with our production milestones, shipments, and innovations.

Shipment
April 18, 2025

Latest Shipment: 7000sqm Rayon Soft Felt

Our latest shipment of 7000sqm Rayon soft felt. From trailer loading inside our factory to containers stuffing and fastening at the port. We ensure every package is secured for a safe journey.

New Products
February 11, 2025

New Product Lines Launched

Now we are able to produce quality Pitch-based cylinder, Rayon-based molded (short-fibers) rigid board, and PAN-based molded board. Expanding our capabilities for custom insulation solutions.

Busy Period
May 7, 2024

High Production Volume in 2024

We’ve been extremely busy with booked orders, production, shipments, and visiting customers at the end of 2023 and the start of 2024. Thank you for your continued trust.

What Our Customers Say

"We are pleased to work with Sinotek. Their high quality, reasonable pricing, and timely delivery really satisfied us a lot."

— Global Energy Solutions Inc.

"Sinotek’s quality is much similar to those I bought from local vendors. Yet I got a much more competitive offer."

— European Industrial Group

"SINOTEK is our highly trusted supplier now. We want to express our sincere thanks for their support all the time."

— BESS Technology Co.

Get in Touch

Reach out to us for product inquiries, quotes, or technical support.

+86-0532-55576210
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