About CALM
Experienced Felt Manufacturers for Aluminum Extrusion
Founded in 2002, CALM has specialized in manufacturing heat-resistant felt products for aluminum extrusion production lines. Through continuous investment in advanced equipment, manufacturing technology, and quality control, we provide reliable solutions that help protect aluminum profiles throughout the extrusion process.
Company Overview
Dedicated to the Aluminum Extrusion Industry
Unlike general industrial felt manufacturers, CALM focuses exclusively on heat-resistant felt products for aluminum extrusion applications. Our product range includes seamless felt belts, felt rollers, felt spacer sleeves, felt pads, felt strips, timing belts, and heat-resistant gloves, serving every stage of aluminum profile production.
With more than two decades of manufacturing experience, we continue to improve our production processes and product performance to meet the evolving requirements of aluminum extrusion manufacturers worldwide.
Advanced Manufacturing Facilities
Modern manufacturing equipment and standardized production management enable us to maintain consistent product quality while supporting both standard and customized production.
Dedicated production area equipped with seamless belt forming machines to manufacture endless felt belts with excellent dimensional consistency and durability.
A well-organized storage system ensures efficient production scheduling, material traceability, and stable product quality throughout the manufacturing process.
Advanced Manufacturing Facilities
Advanced production and inspection equipment enables CALM to maintain consistent product quality, precise manufacturing, and reliable performance across every stage of production.
High-Speed Needle Punching Machine
Uses advanced needle punching technology to bond fibers into dense, durable felt with excellent wear resistance, dimensional stability, and minimal fiber shedding.
Carding Machine
Aligns and distributes fibers evenly to create a uniform fiber web, providing the foundation for consistent felt density and product quality.
Seamless Belt Forming Machine
Manufactures endless felt belts with precise dimensions, seamless construction, and reliable performance for demanding extrusion applications.
Precision Cutting Machine
Delivers accurate cutting for felt belts, strips, sleeves, pads, and other customized products with consistent dimensional accuracy.
Tensile Testing Machine
Verifies tensile strength and mechanical performance to ensure product durability and long-term reliability.
Metal Detector
Detects metallic contaminants before shipment, helping ensure product cleanliness and manufacturing quality.
Manufacturing System

Raw Material Selection

Needle Punching

Heat Setting

Precision Cutting

Sewing & Assembly

Quality Inspection








Quality Assurance
Quality is built into every manufacturing stage. From raw material selection to final inspection, every product is carefully controlled to ensure dependable performance and long service life.
- ISO9001
- Heat Resistance Reports
- Patent Certificates
Serving Customers Worldwide
From China to Southeast Asia and Europe, CALM supplies heat-resistant felt products to aluminum extrusion manufacturers in multiple international markets, providing reliable products, flexible customization, and responsive service.
CALM-A Reliable Felt Manufacturing Partner
Partners























