# Wiberg Metal — llms.txt > For extended product details, specifications, and technical data, see: https://wibergmetal.com/llms-full.txt > Wiberg Metal is a China-based steel grating manufacturer specializing in industrial platforms, walkways, stair systems, trench covers, and FRP grating. We supply to international projects in oil & gas, power generation, petrochemical, data centers, water treatment, marine, and infrastructure sectors. ## Company overview - Website: https://wibergmetal.com - Email: info@wibergmetal.com - WhatsApp: +86 132 7317 7087 - Location: Shanghai, China - Experience: 18+ years - Facility: 20,000 m² production, 4 production lines, robotic welding - Capacity: 300,000 m²/year - Standards: GB (YB/T 4001), ANSI/NAAMM MBG 531, EN ISO 24637, ASTM A1 053, BS EN 1090 - Export markets: Middle East, Southeast Asia, Africa, South America, Europe, Oceania ## Products ### Bar Grating - [Welded Bar Grating](https://wibergmetal.com/products/bar-grating/welded-bar-grating/): Press-welded (forge-welded) at every crossing. Most common type. Models: G305/30/100, G325/30/100, 19-W-4. - [Press-Locked Bar Grating](https://wibergmetal.com/products/bar-grating/press-locked-bar-grating/): Mechanical interlock, no weld marks. Architectural and flush-surface applications. - [Heavy-Duty Welded Grating](https://wibergmetal.com/products/bar-grating/heavy-duty-welded-bar-grating/): Thicker bearing bars (40–65 mm) for high point loads and heavy equipment. - [Serrated Bar Grating](https://wibergmetal.com/products/bar-grating/serrated-bar-grating/): Anti-slip serrated bearing bar surface for wet/oily environments. - [Close-Mesh Bar Grating](https://wibergmetal.com/products/bar-grating/close-mesh-bar-grating/): Narrow openings to prevent small objects falling through. High-heel safe. - [Composite Steel Grating](https://wibergmetal.com/products/bar-grating/composite-steel-grating/): Checker plate bonded to bar grating. Full coverage surface. - [Ball-Proof Grating](https://wibergmetal.com/products/bar-grating/ball-proof-grating/): Mesh openings small enough to prevent a 35 mm sphere from passing. ### Stair Treads - [Welded Stair Treads](https://wibergmetal.com/products/stair-treads/welded-stair-treads/) - [Serrated Stair Treads](https://wibergmetal.com/products/stair-treads/serrated-stair-treads/) - [Bolted Stair Treads](https://wibergmetal.com/products/stair-treads/bolted-stair-treads/) - [Custom Stair Treads](https://wibergmetal.com/products/stair-treads/custom-stair-treads/) ### Trench Covers - [Standard Trench Covers](https://wibergmetal.com/products/trench-covers/standard-trench-covers/) - [Heavy-Duty Trench Covers](https://wibergmetal.com/products/trench-covers/heavy-duty-trench-covers/) - [Drainage Channel Covers](https://wibergmetal.com/products/trench-covers/drainage-channel-covers/) ### FRP Grating - [Molded FRP Grating](https://wibergmetal.com/products/frp-grating/molded-frp-grating/) - [Chemical-Resistant FRP](https://wibergmetal.com/products/frp-grating/chemical-resistant-frp-grating/) - [Anti-Slip FRP Grating](https://wibergmetal.com/products/frp-grating/anti-slip-frp-grating/) ### Accessories - Saddle clips, hold-down clips, panel joining clips, banding bars, toe plates ## Technical resources - [Load Tables](https://wibergmetal.com/engineering/load-tables/) - [How to Specify](https://wibergmetal.com/engineering/how-to-specify/) - [Materials & Finishes](https://wibergmetal.com/engineering/materials-finishes/) - [Grating Terminology](https://wibergmetal.com/engineering/grating-terminology/) - [Product Spacing Guide](https://wibergmetal.com/engineering/product-spacing-guide/) - [Installation & Fixings](https://wibergmetal.com/engineering/installation-fixings/) - [FAQ](https://wibergmetal.com/engineering/faq/) - [Standards & References](https://wibergmetal.com/engineering/standards/) ## Industries served Oil & Gas, Power Plants, Chemical & Petrochemical, Water Treatment, Marine & Offshore, Industrial Manufacturing, Warehousing & Logistics, Transportation Infrastructure, Data Centers, Renewable Energy ## How to get a quote Send project details (drawings, dimensions, load requirements, finish, quantity) to info@wibergmetal.com or use https://wibergmetal.com/rfq/. Typical response within 24 business hours.