Products
M.A.S. SHIN THAI CO., LTD.
Established in 1999 as a private limited company in Thailand, M.A.S Shin Thai is a premier manufacturer of advanced composite Fiberglass Reinforced Plastic (FRP) parts and products. With a steadfast commitment to excellence, we deliver the highest quality fiberglass parts that combine cutting-edge technology, meticulous design and function. Our unwavering dedication to customer satisfaction drives us to surpass expectations by providing exceptional service, unparalleled product quality, and punctual delivery.
At M.A.S Shin Thai, we strive to redefine industry standards and become the preferred choice for discerning clients seeking top-tier FRP/ Fiberglass solutions. Partner with us and experience the transformative power of light weighting in transportation vehicles, as we work together towards a greener, more efficient, and advanced future. We MAS are, Leading Manufacturer of Lightweight FRP (GRP) Truck Bodies and OEM Parts in Thailand. Serving Global Standards with M.A.S. SHIN THAI Engineering.
How to start FRP / GRP Project?
Explore the process of starting an FRP (Fiberglass) project with M.A.S. SHIN THAI CO., LTD. Choose from Customer Drawings, Sample Replication or Design Request.
We are happy to start your FRP (Fiberglass) with any method clients requires.
Customer Drawings
Submit your drawings to M.A.S. SHIN THAI CO., LTD. for precise machine master making or manual master making process.
Sample Replication
Provide an actual sample of the product you need replicated. Our experts will guide you through the copy product process and mold making.
Design Request
At M.A.S. SHIN THAI CO., LTD., we design products that customer requires. It can be image, drawings, or even verbal message. We will present back with drawings using Autocad, Sketchup 3D.
Bull Dog Box Clips

Frequently asked questions
What is FRP and how is it used in the products manufactured by M.A.S. SHIN THAI?
A: FRP stands for Fiberglass Reinforced Plastic, also known as GRP, or Glass Reinforced Plastic. It is a composite material made of a polymer matrix reinforced with fibers, typically glass fibers. This combination results in a material that is lightweight, highly durable, and resistant to corrosion, and it has a high strength-to-weight ratio. At M.A.S. SHIN THAI, we utilize FRP in the manufacturing of various truck parts, including air deflectors, due to its superior performance characteristics. Our 20-plus years of experience in working with FRP allow us to produce high-quality, long-lasting automobile components that meet stringent industry standards and deliver excellent value to our customers.
What advantages do FRP and GRP products offer?
FRP (Fiberglass Reinforced Plastic) and GRP (Glass Reinforced Plastic) products offer numerous advantages: 1. Durability and Strength: They possess an exceptional strength-to-weight ratio, withstanding stress and pressure without breaking. 2. Lightweight: They reduce vehicle weight, thereby improving fuel efficiency and performance. 3. Corrosion Resistance: They do not rust or corrode, extending their lifespan and reducing the need for replacements. 4. Design Flexibility: They allow for the creation of complex shapes and custom parts. 5. Thermal Stability: They withstand high temperatures without losing integrity. 6. Low Maintenance: They are durable and require minimal upkeep. 7. Low Initial Investment: Compared to ABS, if the monthly quantity is over 30 and lower than 200, especially for large-sized parts, the investment cost in tooling is significantly lower. With over 20 years of experience, we ensure high-quality, reliable, and innovative automotive solutions.
What information do I need to develop a successful FRP or GRP project ?
A: Provide the following: 1. Project Specs: Dimensions, weight, and functional requirements of the truck part. 2. Design Drawings: Any existing drawings or CAD models. 3. Material Preferences: Types of FRP/GRP materials you prefer. 4. Performance Needs: Environmental conditions like temperature, chemical exposure, and stress. 5. Quantity: Number of parts needed. 6. Timeline: Project schedule and deadlines. 7. Budget: Estimated budget for better financial planning. M.A.S. SHIN THAI, with over 20 years of experience in automobile parts, guarantees high-quality custom solutions when you provide this information.
Is it possible to purchase truck bodies or body panels from overseas?
Yes, it is possible to purchase truck bodies or body panels from overseas. We specialize in high-quality FRP truck parts and facilitate overseas purchases. We have references in Japan and Myanmar, where we have sent 10 sets of Dry Body. Our supply chain and export services ensure that international customers receive the same premium quality products and service. For specific requirements or detailed shipping information, please contact our customer service team.
How light is an FRP truck body compared to a general truck body? how is the effect?
A: At M.A.S. SHIN THAI, we manufacture high-quality FRP (Fiberglass Reinforced Plastic) products for the trucking industry. FRP bodies are typically up to 30% lighter than traditional metal truck bodies. This weight reduction improves 5% to 6% fuel efficiency and allows for greater payload capacity, enhancing operational efficiency and reducing costs. With 20 years of experience, our FRP products offer unmatched durability and performance, making them ideal for modern trucking needs.

















