Product Name: M315 M450 M Series Big Roller Carbon Steel Stainless Steel Conveyor Chain Model NO.: M315 M450 M series Feature: Fire Resistant, Oil Resistant, Heat Resistant Chain Size: 1/2"*11/128" Surface Treatment: Polishing Structure: Roller Chain Material: Alloy Lead Time: 45days Color: Black & Gray Trademark: GELIN Transport Package: a Chain + a Poly Bag + Individual Box + Wooden Origin: China HS Code: 7315890000 Product Description specifications :Technique Treatment1Shot Peening8Quenching2Bluing9Tempering3Phosphating10Oiling4Nickel-plated11Greasing5Zincing12Special color6Heat Treatment13Stain proofing7Carburzing14Pre-stretched and anti-fatigueDelivery Details:Usually, we pack conveyor chain in polybag and box. then put the box in the creat. we offer yellow or white box for free, which marked length and size only, customer also may offer his box sample to us. our crate dimension: 100×75×75cm(800Kg could be packed)or 105×95×75cm(1000Kg could be packed); Usually 20' container could pack about 20-25 ton, but it depend on the requirement of the customs of every country. Packed chain on the pallet directly also optional.