We are currently sourcing structural plastic timber for an upcoming project and need a quotation for the following items: Dimensions (W x H x L) and Quantity: 136.6 mm x 285.75 mm x 3505.2 mm, 244 pcs; 136.6 mm x 285.75 mm x 1676.4 mm, 122 pcs; 136.6 mm x 285.75 mm x 2616.2 mm, 350 pcs. Response should include: Availability and lead time; Unit pricing and total cost; Material specifications and compliance with UFGS 06 10 00; Shipping terms and options to Singapore; Any minimum order requirements or custom tooling fees. Will provide additional technical details or drawings if needed.