https://completesourcing.com/blog/Packaging sourcing with real numbershttps://completesourcing.com/blog/clamshell-packaging-cost/https://completesourcing.com/blog/clamshell-packaging-cost/Mon, 05 Oct 2026 14:00:00 +0000Real factory prices for custom PET clamshells, what tooling costs, and how freight, tariffs and inspection change the landed cost per piece — from actual production orders.https://completesourcing.com/blog/clamshell-vs-blister-packaging/https://completesourcing.com/blog/clamshell-vs-blister-packaging/Mon, 05 Oct 2026 14:00:00 +0000Clamshells and blister cards both put your product on display — but they differ in cost, equipment, security and branding. Here's how to choose, with real cost drivers.https://completesourcing.com/blog/ddp-shipping-from-china-packaging/https://completesourcing.com/blog/ddp-shipping-from-china-packaging/Mon, 05 Oct 2026 14:00:00 +0000What DDP (delivered duty paid) shipping from China includes, what it really costs per container, how long it takes, and why it's the safest way to import packaging.https://completesourcing.com/blog/domestic-packaging-supplier-markup/https://completesourcing.com/blog/domestic-packaging-supplier-markup/Mon, 05 Oct 2026 14:00:00 +0000Many U.S. packaging distributors resell clamshells and boxes made overseas, with a markup. Here's how to tell, what it costs you, and when going factory-direct makes sense.https://completesourcing.com/blog/pre-shipment-inspection-china/https://completesourcing.com/blog/pre-shipment-inspection-china/Mon, 05 Oct 2026 14:00:00 +0000How third-party pre-shipment inspection works for packaging orders made in China, what it costs (about $330–$750 per visit), and the checklist we use for boxes and clamshells.https://completesourcing.com/blog/rigid-box-cost-guide/https://completesourcing.com/blog/rigid-box-cost-guide/Mon, 05 Oct 2026 14:00:00 +0000Real factory prices for custom magnetic and rigid boxes at 1,500 to 40,000+ units, what drives the price, and how freight and duties change your landed cost per box.