从China供应商批发进口20mins Wood Frame — FOB条款
Sourcing 20mins Wood Frame from Dalian Golden House - China Import Guide
Before ordering 20-minute fire-rated wood frames, buyers should confirm the UL listing documentation is valid and recognized by their local building authority, as fire code requirements vary significantly between jurisdictions. Request product samples or detailed photographs to verify the frame appearance matches your project aesthetic requirements, and confirm whether the knock-down or pre-hung configuration best suits your installation capabilities and shipping constraints. Verify the maximum frame width capability against your actual wall thickness requirements before finalizing specifications.
Lead time for fire-rated frames typically ranges from 30-45 days for production, with additional time for documentation preparation and shipping. Pre-hung configurations require longer production time due to hardware installation and testing. Packaging differs significantly between knock-down (compact cartons) and pre-hung (wooden crate) formats, affecting both shipping costs and handling requirements at destination ports.
Quality upon receipt should include verification of frame dimensions, veneer quality, hinge alignment for pre-hung units, and presence of all required hardware and mounting components. Documentation package should include commercial invoice, packing list, bill of lading, certificate of origin, and UL listing certificate. For commercial building projects, coordinate with your building contractor to ensure the fire-rated frames meet all applicable fire code requirements for your specific occupancy type and building classification.
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