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Help CenterFactory Direct Supply of Q235 Bridge and River Channel Guardrails With Excellent Craftsmanship - Longbang Traffic Facilities
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Guanxian Longbang Traffic Facilities Co., Ltd. mainly deals in the following products:
1. Manufacturer of corrugated guardrails, bridge guardrails, landscape guardrails, river guardrails, signposts and signs (construction available)
2. Signboards, sign poles, reflective signs, wide-angle mirrors, aluminum road studs, corner guards, colored corner guards, anti-glare panels, trapezoidal contour lights, rectangular contour lights, speed bumps, anti-glare panels, barricades, iron horses, water horses, warning posts, crossing piles, warning piles, construction fences, and fences
3. Customization of various guardrails such as municipal guardrails, community guardrails, lawn guardrails, school guardrails, guardrails and fences for railway stations and airports, and wire mesh fences for stadiums. Q235 Bridge and River Guardrails, Directly Supplied by the Manufacturer with Excellent Craftsmanship, Longbang Traffic Facilities
Guanxian Longbang Traffic Facilities Co., Ltd. is located in "the Hometown of Guardrails" - Guan County, Liaocheng City, Shandong Province. It is a modern comprehensive service provider integrating R & D, precision manufacturing, sales and trade, engineering design, and construction and installation, focusing on the field of road traffic safety facilities. Liaocheng Bridge and River Guardrails
Relying on the advantages of the tens of billions of traffic facilities industrial cluster in Guan County, Longbang Traffic has built a cold bending forming production line for corrugated guardrails, fully automatic CNC punching equipment, hot-dip galvanizing and electrostatic spraying anti-corrosion treatment production lines, and strictly implements the ISO9001 quality management system and the national standard GB/T 31439 "Corrugated Beam Steel Guardrails". It controls the whole process from the re-inspection of raw materials upon storage to the delivery of finished products, and is committed to providing high-standard, full-life-cycle safety protection solutions for highway, national and provincial trunk road, municipal road, and rural road safety projects across the country. Q235 Bridge and River Guardrails, Directly Supplied by the Manufacturer with Excellent Craftsmanship, Longbang Traffic Facilities
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Double-wave Corrugated Guardrail
Triple-wave corrugated guardrail: Gr-A / Gr-SB / Gr-SA grade, reinforced 506mm wide wave plate, suitable for expressways, sharp bends in mountainous areas and approach roads of extra-large bridges;
Anti-corrosion process: Hot-dip galvanizing (average zinc layer ≥600g/㎡ / ≥85μm), hot-dip galvanizing + color powder coating composite coating, zinc-aluminum-magnesium alloy coating (suitable for coastal/alpine/heavy saline-alkali environments);
Complete set of accessories: φ114/φ140 round columns, 130×130 square columns, anti-blocking blocks (196×178×200×4.5mm), brackets, R160/R250/R350 end heads, column caps, M16/M20 high-strength anti-theft bolts, etc. are supplied in a complete set. Q235 bridge and river guardrail factory direct supply with excellent craftsmanship, Guanxian Longbang Traffic Facilities Co., Ltd.
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Single-column/double-column/cantilever/F-type sign poles for expressways and municipal projects;
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Aluminum plate signs, using high-strength/diamond-grade reflective film, with CNC cutting and automatic film laminating processes;
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Mileposts, hundred-meter posts, highway boundary markers, crossing marking posts, warning columns. Bridge and river channel guardrails
Q235 bridge and river channel guardrails are directly supplied by the manufacturer with excellent craftsmanship by Guanxian Longbang Traffic Facilities Co., Ltd.
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Anti-glare facilities: Anti-glare boards and anti-glare nets;
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Sound barriers and noise reduction products: Metal louver/microporous composite sound-absorbing barriers, suitable for expressways and urban expressways along the line;
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Road ancillary facilities: Speed bumps, contour markers, raised pavement markers (cat's eyes), solar warning posts, snow fences, isolation piers;
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Municipal and site fences: Municipal isolation fences, bridge sidewalk fences, community/stadium/railway protection nets, power fences, etc.
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Customized design: Provide BIM-assisted detailed design and reinforced fence solutions for special working conditions such as mountainous areas along cliffs, soft foundation sections, and permafrost regions;
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One-stop delivery: Cover the whole-process services from scheme optimization and selection → production progress supervision → national logistics distribution → on-site installation technical guidance;
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Quality traceability: A quality file for each product is established, and the parameters are traceable. Third-party testing is supported; Bridge and river channel guardrails
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National response: A mature logistics cooperation network and a professional after-sales team provide technical consultation and installation training support.
Q235 Bridge and river channel guardrails, directly supplied by the manufacturer, with excellent craftsmanship, Guanxian Longbang Traffic Facilities
Forge ahead with determination, ensure smooth traffic
Guanxian Longbang Traffic Facilities Co., Ltd. is committed to the mission of "safeguarding the safety of every road". We adhere to the original intention of quality, continuously improve manufacturing processes and service standards, and are willing to join hands with engineering construction units, distributors, and colleagues from all walks of life to build a solid safety defense line for the construction of a transportation - powerful country! Q235 Bridge and river channel guardrails, directly supplied by the manufacturer, with excellent craftsmanship, Guanxian Longbang Traffic Facilities
Contact us
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Address: 240 meters east of the intersection of Wuxun Avenue and Zhenxing Road, north of the road, Chongwen Sub - district, Guanxian County, Liaocheng City, Shandong Province
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Main products: Corrugated beam steel guardrails and a full set of traffic safety facilities | Signboards | Sound barriers | Municipal guardrails | Engineering supporting services
Q235 Bridge and river channel guardrails, directly supplied by the manufacturer, with excellent craftsmanship, Guanxian Longbang Traffic Facilities
Direct supply from the manufacturer of Q235 bridge and river channel guardrails. Guanxian Longbang Traffic Facilities Co., Ltd. offers excellent craftsmanship. The Chinese-style garden guardrails feature GRC precast ice-cracked hollow patterns with millimeter-level precision. The components are 60×60 cm in size and 5 cm thick. The columns are painted with antique bronze paint and finished with stone-like coatings. Courtyard lights in the shape of palace lanterns are installed every 3 meters, casting shadows on the ground. The European classical landscape guardrails are represented by wrought-iron art, with patterns such as hand-forged scrollwork and rose branches. Each piece is a work of art. The wrought-iron components are made of Q235 low-carbon steel, heated to 1000 degrees Celsius and then hand-forged into shape, and then quenched and tempered to improve toughness. The surface treatment is hot-dip galvanizing plus multiple layers of paint, with a zinc-rich primer, a micaceous iron intermediate paint, and an alkyd enamel topcoat, with a total thickness of 200 microns. The height of the guardrail is 1.3 meters, and the tops of the columns are decorated with crown or flame shapes. This kind of guardrail demonstrates noble elegance and is commonly found in high-end villa areas and manors.
Direct supply from the manufacturer of Q235 bridge and river channel guardrails. Guanxian Longbang Traffic Facilities Co., Ltd. offers excellent craftsmanship. The light box guardrails have LED light boxes embedded in the panels. The pictures can be replaced, and the size is 1.2×0.6 meters. They have double-sided display and automatically light up at night. The income can subsidize the maintenance costs. They are commonly found around bus stops. The guardrails for the river channel dredging access roads are designed to be detachable, facilitating the entry and exit of dredging machinery. The standard section is 3 meters long and is connected by bolts. Two people can assemble and disassemble it. The bottom of the guardrail columns is welded with flange plates and fixed with pre-embedded anchor bolts. The guardrail can be removed by loosening the nuts. The height of the guardrail is 1 meter, and there is a 30 cm gap at the bottom to facilitate the shoveling of silt. The material is Q235B steel, which is hot-dip galvanized. During the dredging operation, some guardrails are temporarily removed and immediately restored after completion. This flexible design ensures daily safety without hindering river channel maintenance.
Direct supply from the manufacturer of Q235 bridge and river channel guardrails. Guanxian Longbang Traffic Facilities Co., Ltd. offers excellent craftsmanship. The prefabricated bridge guardrails are precast in the factory and hoisted on-site. Each single piece is 4 - 6 meters long and weighs 3 - 5 tons. The connection strength of the grouting sleeves is C80. The shear grooves on the back are combined with the cast-in-place layer of the bridge deck. The length error is ±3 mm and the height error is ±2 mm. The construction period is shortened by 60% and the wet work is reduced by 90%. The guardrail systems of large bridges in mountainous canyons face more severe environmental challenges. The multiple superposition of strong winds, freezing, and earthquake loads requires the guardrails to have an unconventional redundant design. The prestressed reinforced concrete guardrails keep the concrete in a compressed state through the tensioning of longitudinal prestressed tendons, significantly improving the crack resistance and fatigue life. To deal with the corrosion of steel bars by road deicing agents in winter, the surface of such guardrails is coated with a resin coating and a cathodic protection device is added to control the chloride ion penetration depth within 5 mm. At the same time, the drainage holes at the bottom of the guardrails need to be densified to 3 per meter to prevent water accumulation and freezing from causing the concrete to peel off. In areas with an earthquake fortification intensity of more than 8 degrees, the connecting bolts between the guardrails and the bridge deck use yield-type energy-dissipating components, which undergo plastic deformation before the main structure under the action of an earthquake, consuming earthquake energy and thus protecting the safety of the bridge main body.
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