Dongguan Sanyo Fiberglass Products Co., Ltd.

We offer comprehensive OEM and ODM customization services, supporting the bespoke development of fiberglass and carbon fiber composite products.
We handle the entire process—from product design and formulation adjustment to mold development, prototyping, and mass production—based on client drawings, samples, or performance specifications.
Our product range includes recurve bow limbs, compound bow limbs, epoxy fiberglass sheets (including transparent and wood-grain finishes), foam core sandwich panels, pultruded fiberglass sheets, and structural components; dimensions, thicknesses, surface finishes, and mechanical properties can all be flexibly tailored.
We provide dedicated point-of-contact service throughout the process—from initial consultation and sample approval to final delivery—accommodating everything from small-batch trial orders to large-scale production to help clients build their own branded products.

Pultrusion production line details

Details of CNC Cutting Equipment

The company operates professional production lines for fiberglass products, covering key processes such as pultrusion, lamination, molding, cutting, and inspection. These lines enable the large-scale manufacture of products including epoxy fiberglass sheets, pultruded fiberglass sheets, and laminated recurve bow limbs. Equipped with comprehensive machinery and standardized workflows, the company ensures consistency across all stages—from raw material input and molding to final inspection—guaranteeing stable dimensional accuracy, surface flatness, and mechanical properties. Through specialized equipment and standardized production management, the company efficiently manufactures these composite products to meet diverse customer requirements regarding strength, toughness, dimensional precision, and volume delivery.

We operate an independent R&D laboratory for composite materials and a professional engineering team, focusing on process development for products such as recurve bow limbs, compound bow limbs, and various epoxy fiberglass sheets—including standard, transparent, and wood-grain finishes—as well as pultruded fiberglass sheets.
Our work encompasses formulation adjustment, structural design, mechanical performance testing, and product optimization. We also support collaborative new project development with clients, delivering reliable, end-to-end composite material solutions that span everything from material selection to sample validation.