Nanjing Spare: Leading the Industry with High-Quality FRP Pultruded and Molded Gratings
In the global composite materials market, FRP gratings have become indispensable core components in industrial and infrastructure fields, thanks to their lightweight, corrosion-resistant and durable advantages. As a benchmark enterprise in composite material solutions, Nanjing Spare is proud to present its two flagship products—FRP pultruded gratings and FRP molded gratings, which combine advanced technology and customized capabilities to meet diverse application needs, while demonstrating the company's profound strength and industry influence.
FRP Pultruded Gratings
FRP pultruded gratings from Nanjing Spare are manufactured through a high-precision continuous pultrusion process, where fiberglass reinforcements and high-quality vinyl ester resin are formed into I-shaped or rectangular bearing bars, then assembled into integrated gratings. This advanced process endows the gratings with superior longitudinal stiffness and load-bearing capacity, with tensile and bending strength exceeding 600MPa, making them ideal for long-span and heavy-load scenarios. Weighing only 1/4 of steel and 2/3 of aluminum, they significantly reduce the load on supporting structures and lower transportation and installation costs, while maintaining excellent corrosion resistance that prevents rusting even in harsh environments such as coastal salt fog and chemical erosion. Typical applications include industrial walkways, offshore platforms, power plant maintenance platforms and heavy-duty equipment floors, where they can maintain stable performance for over 30 years with zero rust and minimal maintenance.
FRP Molded Gratings
Different from pultruded gratings, our FRP molded gratings are produced by integral molding in heated molds, forming a one-piece bidirectional mesh structure that ensures uniform strength in both longitudinal and transverse directions. With outstanding impact resistance and overall corrosion resistance, they are more cost-effective and suitable for light to medium-load corrosive environments. The gratings feature a non-slip surface with a friction coefficient of 0.8 in dry conditions, superior to metal materials in wet environments, and offer excellent insulation performance that avoids electromagnetic interference and friction sparks, making them safe for flammable, explosive and live-working occasions. They are widely used in wastewater treatment plants, chemical processing areas, trench covers, car wash workshops and aquaculture ponds, with a service life of over 20 years.
Enterprise Strength & Capabilities
The excellent performance of these two gratings is rooted in Nanjing Spare's strong R&D and production strength. With years of deep cultivation in the composite materials industry, we have built a complete industrial chain from R&D, raw material selection to production, testing and after-sales service. Equipped with advanced pultrusion and molding production lines, we have a professional engineering team with rich experience in product optimization and customization, capable of adjusting grating thickness, mesh size, resin type and color according to clients' specific needs. We have obtained multiple international certifications and patents, and our products have been exported to more than 30 countries and regions, serving industries such as chemical engineering, new energy, marine operations and municipal construction, winning wide recognition for stable quality and reliable performance.
Our Commitment
Adhering to the concept of "quality first, innovation-driven", Nanjing Spare has always been committed to providing high-performance, cost-effective composite material solutions for global clients. Our FRP pultruded and molded gratings not only realize the replacement of traditional metal and wood materials, but also help clients reduce maintenance costs and improve operational efficiency, aligning with the "double carbon" development trend. Backed by strong enterprise strength and professional technical support, we will continue to innovate and lead the sustainable development of the FRP grating industry. Contact us today to explore how our customized FRP grating solutions can empower your projects.