Galv. Us Standard High Strength Transportation Chain with Hooks for Truck/Cargo. High Strength G70 Chain: NACM1990 standard proof coil chain with breaking loads up to 98,900 LBS for heavy transport. Customizable Sizes: Available in sizes from 1/4' to 1/2' with customized surface treatment and packaging options. Strict Quality Control: Products are strictly tested and controlled, holding BV, ISO, CE, and SGS certifications. Heat Resistant Feature: Designed with heat resistant properties suitable for demanding transportation environments. Free Sample Inspection: Free samples provided for quality inspection before placing firm orders to ensure satisfaction.