LANGLI PVC Request a Catalog LANGLI PVC Request a Catalog Factory-direct uPVC trunking profiles, circular junction boxes, and precision-molded fittings manufactured to international standards.
An authoritative analysis on material science, mechanical performance, thermal dissipation, and industrial supply chain integration for custom TV wire trunking systems.
In modern residential architecture, commercial hospitality environments, and corporate conference facilities, the seamless routing of Audio-Visual (AV) cabling—specifically high-definition multimedia interfaces (HDMI 2.1), fiber optic display cables, coaxial lines, and high-voltage power lines—demands advanced containment systems. As flat-panel television screens, OLED displays, and wall-mounted commercial signage evolve toward ultra-thin profiles, traditional exposed wiring introduces aesthetic degradation, thermal hazards, and electromagnetic interference (EMI).
Foshan Shunde Langli Hardware Electrical PVC Co., Ltd. stands at the technological forefront of rigid uPVC extrusion and injection-molded conduit accessories. Founded in 1989, our facility integrates high-precision tooling with raw polymer compounding to produce custom wire trunking tailored specifically for television, home theater, and commercial AV concealment.
Solving complex routing, aesthetic, and structural challenges across commercial, residential, and industrial environments.
In luxury hotels, corporate boardrooms, and digital signage arrays, cabling must be entirely hidden while maintaining rapid serviceability. Our multi-channel TV trunking profiles allow separate physical raceways for low-voltage signal cables (HDMI/Ethernet) and AC power lines to eradicate signal crosstalk and signal degradation.
Retrofitting wall-mounted televisions onto drywall, masonry, or decorative wood paneling without cutting deep chases requires surface-mounted low-profile trunking. We offer custom wood-grain finishing, paintable uPVC surfaces, and ultra-thin profiles (such as 15x10mm up to 60x40mm) that seamlessly blend into interior decor.
For large-scale real estate development, hospital patient rooms, and educational institutions, compliance with fire codes is non-negotiable. Our flame-retardant uPVC formulations satisfy UL94 V-0 flame spread ratings and BS EN 61386 mechanical shock requirements, guaranteeing structural integrity under stress.
How Langli's integrated manufacturing ecosystem in Foshan Shunde delivers cost efficiency, precision tolerances, and rapid global delivery.
Unlike secondary assemblers that source pre-mixed plastic pellets from external compounders, Langli controls the entire chemical formulation process in-house. By utilizing virgin Unplasticized Polyvinyl Chloride (uPVC) resin integrated with specialized heat stabilizers, impact modifiers, and titanium dioxide (TiO2) UV inhibitors, we guarantee that our wire trunking maintains color fidelity and impact strength even when exposed to harsh sunlight or high ambient temperatures behind thermal-generating TV displays.
Precision fitment is critical for installation efficiency. A lid that clips too tightly causes installation friction, while a loose lid leads to sagging over time. With over 900 sets of self-owned precision moulds and 32 fully automated injection molding and twin-screw extrusion lines, our tooling tolerances are held within ±0.15mm. Our dual-snap locking lip mechanism ensures that once the trunking cover clicks into position, it remains securely attached under full cable payload weights.
Located in Leliu Town, Shunde District, Foshan City—the world's premiere plastics manufacturing hub—Langli benefits from an end-to-end industrial ecosystem. From raw PVC resin synthesis to custom packaging box printing, every stage occurs within a 15-kilometer radius. This geographic advantage enables us to maintain shorter production lead times (15–25 days for standard order containers) and provide unmatched price competitiveness for global OEM/ODM distributors.
Comprehensive engineering reference for project engineers, procurement managers, and electrical specifiers.
| Parameter / Feature | Langli Standard Series | High-Impact Custom Series | Testing Standard |
|---|---|---|---|
| Material Composition | Rigid uPVC Polymer | Modified uPVC / Flame-Retardant Alloy | ISO 1183 Density Test |
| Flammability Rating | Self-Extinguishing within 30s | UL94 V-0 Grade (Glow Wire 960°C) | UL94 / IEC 60695-2-11 |
| Dielectric Strength | > 25 kV/mm | > 35 kV/mm | IEC 60243-1 Insulation Test |
| Tensile Strength | ≥ 40 MPa | ≥ 52 MPa | ISO 527 Tensile Test |
| Vicat Softening Point | ≥ 80°C | ≥ 92°C | ISO 306 Softening Point |
| Operating Temperature | -15°C to +65°C | -25°C to +85°C | EN 61386 Thermal Resistance |
| Available Dimensions | 10x10mm to 200x100mm | Customized Extrusion Profiles | BS 4607 / DIN / ASTM Series |
| Backing Options | Plain Base / Pre-Punched Holes | High-Tack Acrylic Foam Tape | ASTM D3330 Adhesion Test |
What B2B procurement managers and electrical wholesalers must evaluate before selecting a factory-direct TV wire trunking partner.
Variations in wall thickness lead to sagging joints and poor aesthetic alignment during multi-meter runs. Ensure your supplier uses continuous laser-gauge dimension monitors across the entire extrusion line to guarantee 100% outer dimension uniformity.
For self-adhesive TV wire trunking designed for fast installation on painted plasterboard or smooth metal panels, the quality of the backing tape is paramount. Low-cost rubber tapes degrade under ambient heat; Langli utilizes industrial-grade high-tack PE acrylic foam tape capable of withstanding continuous shear stress up to 1.2 kg per 10cm strip.
Global brands require customized retail barcoding, full-color inner boxes, shrink-wrapping, and master shipping cartons reinforced for overseas ocean transport. Langli provides complete OEM private-label packaging and optimized CBM loading schematics to minimize shipping cost per unit.
Pioneering the next decade of surface raceway innovation, halogen-free polymers, and smart building integration.
As smart home technology, Internet of Things (IoT) sensors, and high-frequency data networks proliferate, wire management channels are transforming from static plastic covers into active, multi-functional infrastructure components. Langli's R&D engineering division is currently driving innovation across four core technical vectors:
In response to stringent European building regulations (such as CPR Euroclasses) and global eco-design mandates, we are expanding our Low Smoke Zero Halogen (LSZH) trunking series. Formulated without chlorine, fluorine, or bromine, these products prevent the emission of corrosive gases and toxic smoke during thermal combustion events, safeguarding human life in densely populated venues.
To reduce labor installation costs by up to 60%, next-generation TV wire trunking features toolless magnetic base mounts and modular snap-on junction corners. Installers can mount base tracks using rare-earth magnetic clips or high-strength adhesive profiles, allowing rapid snapping and unsnapping during cable upgrades.
Addressing dust accumulation and moisture ingress near coastal regions, dual-durometer co-extrusion technology integrates soft thermoplastic elastomer (TPE) lips directly onto rigid uPVC trunking edges. This creates an IP54 dust and splash-proof seal ideal for outdoor digital signage and patio TV installations.
Targeting carbon footprint reductions, Langli is pioneering closed-loop recycling protocols that re-introduce 100% clean post-industrial uPVC offcuts back into structural inner layers while utilizing pristine virgin resin for outer aesthetic surfaces. This co-extrusion method maintains flawless cosmetic finishes while reducing overall embedded carbon by over 30%.
Eliminating import friction through fully certified factory documentation, customs clearance reports, and rigorous QA protocols.
Every shipment from Langli is backed by official CE conformity certificates, RoHS substance restriction reports, and REACH SVHC compliance test documentation. We eliminate customs delays and guarantee frictionless clearance in European, Middle Eastern, and American ports.
Our quality control protocol involves rigorous batch testing: 100% visual inspection, low-temperature drop-weight impact testing (-15°C), glow-wire flammability testing, and continuous dimensional micrometer sampling. Full QC inspection sheets accompany your shipping documents.
Our export team comprises seasoned electrical engineers fluent in English, Spanish, and French. We assist distributors in selecting matching conduit standards (BS 4607 / DIN / ASTM), calculating volumetric CBM capacity, and executing customized private-label production runs.
Explore our full range of mini-trunking, big-size industrial wireways, decorative TV trunking, and fireproof PVC conduit accessories.
Expert answers addressing standard specifications, customization lead times, structural testing, and ordering logistics.
Langli tools and extrudes rigid PVC wire trunking and conduit fittings matching international standard series, including British Standard (BS 4607 / BS EN 61386 for 20mm, 25mm, 32mm, 40mm, 50mm conduit), European DIN metric series (16mm to 50mm), and American ASTM imperial sizes (1/2" to 2"). Mini-trunking and TV cable ducting profiles span from 10x10mm up to 200x100mm. Full CE and RoHS documentation is maintained on file.
For standard catalog SKUs, our typical MOQ is one mixed 20ft sea container, allowing buyers to combine high-volume TV wire trunking profiles with specialized fittings and junction boxes. Trial orders for single SKUs can start from 20 cartons. Production lead times average 15 to 25 days following deposit receipt, and 25 to 35 days for custom color formulations, brand laser marking, or customized retail packaging.
Yes. Supported by 900+ in-house precision moulds and 32 injection molding machines, we manufacture custom color compounds matching specific Pantone or RAL codes (such as signal white, jet black, dark grey, and ivory). We provide laser-jet or ink-jet brand marking along the trunking body, as well as fully customized private-label master cartons featuring your company barcode and branding.
Every batch undergoes strict multi-point physical QA checks before packing: wall thickness laser measuring, continuous socket tolerance fit checks against matching conduit, low-temperature drop-impact resistance testing (-15°C), glow-wire flame retardancy verification (UL94 V-0 options available), and adhesive backing peel-strength tests. Comprehensive QC reports accompany every export bill of lading.
Yes, provided high-grade industrial adhesive is applied. Langli utilizes premium synthetic acrylic foam tape engineered specifically for painted drywall, wood, and metal surfaces. For high cable load weights or heavy HDMI/power cable runs, our trunking bases feature pre-punched mounting holes allowing dual-securing with expansion screws.
Procurement teams can submit their required profile dimensions, wall thickness specifications, target color codes, and destination port details directly to our export engineering desk. Free sample kits and itemized landed-cost price schedules are typically issued within 24 working hours.
Streamline your supply chain, unlock factory-direct wholesale pricing, and gain access to custom uPVC extrusion tooling within 30 days.