ISPM15 Heat-Treatment & Stamping Needed for 6 Wooden Crates (Already Built) – Near Dartford, Kent

I have 6 wooden shipping crates already built (pressure-treated timber, containing used laboratory equipment for export to Canada), currently located near Dartford, Kent, UK. The crates are not yet ISPM15 certified/stamped, and I need this done before they can be exported. What I need: A registered/certified provider to carry out ISPM15 heat treatment (HT) on the crates, or verify/certify existing timber if it's already appropriately treated Application of the official ISPM15 stamp/mark on each crate (IPPC logo, country code "GB," HT designation, and the registered facility's unique number) Confirmation this will be recognized on Canadian import customs clearance Any accompanying documentation/certificate needed to support the UK export declaration and Canadian import process Details: 6 crates, already constructed, sitting near Dartford, Kent Crates contain used lab/scientific equipment (not requiring treatment themselves — just the wood) Need this handled at or near the current location, or crates can be transported a short distance to your facility if needed (please specify in your proposal) Time-sensitive — freight forwarder booking is dependent on this step being completed Ideal freelancer/company: IPPC-registered wood packaging treatment provider (or able to subcontract to one) in the Kent/South East England area Experience treating and stamping crates specifically for export compliance (not just general timber treatment) Able to provide proof of registration and issue compliant stamps/certificates recognized internationally Budget: $200 USD (fixed price for all 6 crates) — please confirm in your proposal whether this covers stamping only or includes treatment, and note if collection/delivery affects pricing Timeline: Needed as soon as possible — please indicate your earliest availability To apply, please include: Your IPPC/BSI (or equivalent) registration number Whether you can treat/stamp on-site near Dartford, or crates need to come to you Confirmation you can do this within the $200 budget for 6 crates Examples of previous ISPM15 stamping work if available