Source manufacturer specializing in PU fiberglass profiles (FRPu) and it's high-performance windows and doors. +86-13761919721 / +86-13585804232 / +86-13788973468   
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Pultrusion knowhow service


Pultrusion Know-how & Technical Service

Lovely House provides comprehensive Pultrusion Know-how Services for Fiberglass Reinforced Polyurethane (FRPu / GRPU) composite profiles, supporting partners from concept development to stable mass production.

Our technical service covers the entire pultrusion value chain, including:

  • Equipment Selection & Line Design
    Guidance on high- and low-pressure PU pultrusion line configuration, pulling systems, heating control, impregnation systems, and automation level optimization based on target products and capacity.

  • Raw Material System Optimization
    Professional support in selecting and matching PU resin systems, glass fiber rovings, mats, and fabrics to achieve optimal mechanical performance, surface quality, and process stability.

  • Pultrusion Die & Tooling Development
    Design and optimization of pultrusion dies, preforming systems, and calibration tooling, focusing on resin flow control, fiber wet-out efficiency, dimensional accuracy, and long-term tooling durability.

  • Process Engineering & Production Technology
    Transfer of core pultrusion process know-how, including fiber architecture design, pulling speed optimization, curing profile control, temperature zoning, and defect prevention.

  • Start-up Support & Process Stabilization
    On-site or remote technical support during trial production, ramp-up, and mass production stages, ensuring fast commissioning and consistent quality output.

With over 12 years of hands-on pultrusion manufacturing experience, ISO-certified production systems, and extensive OEM project background, Lovely House helps customers reduce development risk, shorten learning curves, and accelerate time-to-market for high-performance FRPu composite profiles.