Precision vertical lifting and counterweight balance systems built on European standards demand strict dimensional tolerances and high fatigue endurance. JINQIU CHAIN, a leading LL series leaf chain manufacturer and global supplier, offers complete supply chain services for foreign OEMs, large industrial distributors, dealers, and terminal machinery plants worldwide. Operating from our 60,000㎡ ISO-certified manufacturing facility, our LL European standard leaf chains fully conform to ISO 4347, DIN 8152, and BS 228 standards, providing seamless interchangeable tension chain solutions for European lifting machinery.
European Standard Component Compatibility: Engineered using link plates and alloy pins matching DIN 8187 (B Series) dimensions, guaranteeing exact fitment with OEM European clevis fittings and sheaves.
In-House Carbonitriding & Heat Treatment: Pins and link plates undergo continuous mesh-belt furnace carbonitriding and surface hardening, producing superior outer casing wear resistance and high core impact toughness.
100-Ton Tensile Verification: Every production batch of JINQIU LL leaf chains undergoes dynamic pre-loading and destructive tensile testing up to 100 tons to ensure minimal initial stretch and maximum structural integrity.
50+ Professional Engineers: Our engineering experts provide swift technical support, custom CAD modeling, non-standard lacing patterns (e.g., LL0822, LL1244, LL1666, LL2488), and tailored clevis anchors for custom equipment.
Unplanned downtime in automated material handling is costly. JINQIU’s LL series European standard leaf chains feature precision-blanked link plates, shot-peened surface treatment, and hot-dip extreme-pressure synthetic pre-lubrication to eliminate fatigue cracking and joint wear. Partnering directly with China's top chain source provides global distributors and OEMs with competitive factory-direct pricing, stable bulk supply, and complete OEM/ODM custom manufacturing services.
| LL Chain Specification | Standard Lacing Configurations | Primary Industrial Application |
|---|---|---|
| LL08 to LL12 Series (0.500" - 0.750" Pitch) | 2x2, 4x4, 6x6 | Light European forklift masts, machine tool counterweight systems, & textile lifts |
| LL16 to LL24 Series (1.000" - 1.500" Pitch) | 2x2, 4x4, 6x6, 8x8 | Medium to heavy material handling trucks, hydraulic elevator lifts, & stacker cranes |
| LL28 to LL32+ Series (1.750"+ Pitch) | 4x4, 6x6, 8x8 (Heavy Lacing) | Heavy port equipment, steel mill lifting machinery, & custom industrial winches |
Upgrade your machinery lifting reliability with JINQIU’s European standard LL series leaf chain. Contact our engineering team today for factory-direct quotes, certified tensile test reports, and custom CAD technical support.

