Rahavard Syna Delijan was established in 2009. In 2011, it launched its first production line for glass fiber tissue. During the next phase of its expansion, the company commissioned its second production line in 2017, increasing its annual production capacity to 18,000 tons (260 million square meters). With the latest technology from Germany, the company has established itself as the largest producer of glass fiber tissue in Iran.

Thanks to the high quality of its products, implementation of a quality-control system, and compliance with national-standard requirements, the company obtained a license to use Iran's National Standard Mark for its product from the Iran National Standards Organization in 2022.

Continuing its path of development, innovation, and product-quality enhancement, the company drew on its technical capabilities and specialized knowledge to obtain knowledge-based company status in 2025.

The company has received numerous commendations for research and development, industrial excellence, and export performance, reflecting its role in advancing new technologies and improving manufacturing processes. At Rahavard Syna, innovation goes beyond product development; it focuses on improving production efficiency, creating new industrial solutions, and supporting the group's long-term competitiveness.

In addition to supplying Iranian industries, the company exports its products to countries in Asia, Africa, and Europe.

The company is an active member of the Iran Waterproofing Industries Association.

Products: Fiberglass Tissue (Voils).

Customer Industries: Manufacturers of waterproofing membranes; GRP and FRP pipes and other composite profiles; oil- and gas-pipeline coatings; wall and ceiling coverings; pitched-roof products; and asphalt shingles.

Syna Fiber Delijan began operations in 2007, producing solid polyester fibers in Delijan Industrial Estate with an annual capacity of 1,300 tons. Production of cotton-type and hollow fibers began in 2009. In the next expansion phase, the company began manufacturing various solid polyester fibers on state-of-the-art production lines in 2011. With an annual capacity of 100,000 tons of virgin and recycled polyester fibers, it became Iran's largest polyester-fiber manufacturing complex.

Syna Fiber Delijan is one of the group's flagship companies and a leading Iranian manufacturer of cotton-type polyester fibers and hollow conjugated fibers. Its portfolio includes specialized virgin and recycled polyester fibers. The company focuses on high-performance fibers designed to meet the evolving needs of textile, spinning, bedding, furniture, and technical-application manufacturers. By combining advanced production technologies with rigorous quality control, Syna Fiber Delijan is recognized as a trusted supplier in domestic and international markets.

The company's continuous investment in product development reflects the group's commitment to innovation and customer-focused engineering. It has been recognized for quality standards, industrial excellence, and export performance, earning distinctions including National Exemplary Export Unit on three occasions, Provincial Exemplary Unit, and Leading Entrepreneur.

In addition to supplying Iranian industries, the company exports its products to countries in Asia, Africa, and Europe.

The company is an active member of the Association of Textile Industries of Iran and the Iran Recycling Industries Union.

Sina Glass Fiber Delijan began operations in the composites industry 2009, producing fiberglass chopped strand mat with an annual capacity of 6,000 tons in Delijan Industrial Zone. In response to market demand for other fiberglass textiles, the complex's expansion phase added a second chopped-strand-mat production line in 2020, began producing combo mat and stitched mat, and increased the capacity of its other woven fiberglass products. With a total annual capacity of 16,000 tons, the company became Iran's largest manufacturer of fiberglass textiles.

Sina Glass Fiber Delijan is one of the group's most technologically advanced companies, specializing in glass-fiber reinforcement materials for the composites and construction industries. Its materials serve manufacturers requiring lightweight, durable, high-performance composite solutions. The company has been recognized for localizing fiberglass-textile production and for its achievements in industrial innovation.

In addition to supplying Iranian industries, the company exports its products to countries in Asia, Africa, and Europe.

The company is an active member of the Iran Composites Association.