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Qingdao Lanmon Industry Co., Ltd
Widely used composite technology, Opening up a new area on material applications
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fiberglass car roof box/rooftop cargo boxes/fiberglass cargo box

Qingdao Lanmon Industry Co., Ltd

fiberglass car roof box/rooftop cargo boxes/fiberglass cargo box

Brand Name : lanmon

Model Number : motorcycle

Certification : ISO9001

Place of Origin : China

MOQ : 1

Price : Negotiatable

Payment Terms : T/T

Supply Ability : 1000 pcs per month

Delivery Time : 20 days

Packaging Details : Safe and economical

Material : Fibreglass Reinforced Plastic

Product name : fiberglass car roof box/rooftop cargo boxes/fiberglass cargo box

Certificate : ISO9001

Keyword : fiberglass parts for motorcycle trailer

Color : optional

Dimensions : customized

Technolgy : Hand lay up, RTM, Vacuum bag, SMC

Application : motorcycle

Surface : painted or gelcoat

Model : customized

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fiberglass car roof box/rooftop cargo boxes/fiberglass cargo box

1. FRP process

FRP moulding process is that mixing the resin and glass fiber by a certain percentage, curing and forming. If the FRP process is different, the ratio will be different. The resin itself has very low strength, but with glass fiber reinforced, its FRP mechanical properties are excellent. Fiberglass mechanical properties are close to or beyond the cold-rolled steel, and the density of FRP material is only 20% of steel. Therefore, FRP in the industry has been called ” glass fiber reinforced plastic.”

Performance comparison table of different glass fiber contents

Fiberglass contentDensity(g/cm²)Tensile Strength(MPa)Compressive strength(MPa)

As the glass fiber plastic content increases, the mechanical properties of FRP composites are correspondingly improved.

2. FRP application in fiberglass car roof box/rooftop cargo boxes/fiberglass cargo box

In order to reduce the selfweight, nowdays fiberglass material are widely applied in this field. FRP profiles have sufficient rigidity and good impact resistance, those fiberglass body parts can meet the basic safety requirements. The composite GRP has a sufficient hardness and toughness. It can help to remove some effect of the impact or produce a rebound, when the body is slightly bumped.

3.Save energy consumption

When manufacturing panels with same rigidity, FRP light weight ratio can be up to 36.7%. As FRP density of the body is only 1.7g/cm², about 1/5 of the steel. Although the FRP thickness and intensity increase, it’s still lighter about 100kg than the metal auto body. Making FRP profiles, fiberglass fenders, DIY fiberglass hood, FRP carriage, FRP door and FRP cab, American Rockwell company do success. Depending on the light FRP density, it reduces the vehicle’s weight by 227kg. Beijing 251 factory produced FRP cab of BJ121 car, FRP cab weight is only 1/3 of the original metal cab weight. We produced electric buses with full fiber car body, the total FRP weight of the vehicle reduced by 18% than its own design weight. As the decrease of body weight, it is bound to reduce energy consumption.

Glass fiber content and parameters of electric bus

Fiberglass content

Density of FRP


Tensile Strength


Yield strength(MPa)

Elasticity modulus


Maximum service temperature



FRP material is able to meet the strength requirements of the car body. Fiat did a passive safety experiment with Fiat150 car FRP cab. And when we put a load which is 50% more than steel cab on top of it, the column will not deform visibly. 40kg weight pendulum from the Drop impact at 2m height of the cab, the enclosure does not occur any deformation, while steel products would produce visible deformation. In general, the above test fully demonstrated the impact resistance and high strength of FRP plug-in safety performance. We China FRP pultruded products factory and China GRP pultruded profiles factory provide great FRP solution.

fiberglass car roof box/rooftop cargo boxes/fiberglass cargo box

Fiberglass FRP truck forklift parts, agriculture construction machinery body parts cover

Lanmon service tenet is regarding the quality of our life. Until now, there is zero complaint and zero compensation. We always provide fiberglass products with the satisfying quality. In general, we strictly control the truck bodies manufacturing process and train every staff to work according to the instruction. Besides, we make the professional assembly and check fixture to confirm the high quality.

Some fiberglass products have complex design and a high precision requirement. In this case, we use the three dimensional spot check to make sure and give customers reassuring body kits. we have motivation and confidence, and we will keep going on the stable development of high quality fiberglass.

At present, Lanmon can provide not only fiberglass bodies but also fiberglass radome, FRP panels, fiberglass tubes, etc. In addition, we can produce carbon fiber reinforced plastic products, such as carbon fiber tubes.

Value Added Services
· In-mold coating, weight reduction, packaging design support, part consolidation, material innovation, prototyping, professional project management
· Plants locatedChina enable JIT delivery and low transportation cost
Quality and Other Certifications
· ISO-9001, ISO/TS-16949 and ISO 14001
Exterior Panels
· Hood assemblies, Fenders - full, half and quarter, Cowl panels, Roofs – mid, raised, Trim tabs and fairings, Sun visor assemblies, Structural door surrounds, Exterior trim - rocker panels, A-pillars, Air deflectors
Under Hood Panels
· Fan shrouds, Windshield wiper housings (rain trays), Cooling modules, Battery boxes/covers, Engine covers, interior/exterior, Firewalls
Interior Panels
· Under ride protectors (under cab/chassis fairings), Door surrounds, Load floors, Trim panels

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