Drop forged rivetless chain, roller chain and sprockets from a Hangzhou factory that has done nothing but conveyor chain since 2003. Check the spec strip — if the numbers fit, talk to an engineer.

Eight lines, one factory. Every line below has its own spec table — no brochure adjectives.
Rivetless X series, forged link & scraper chain — the core of the ZMIE line since 2003.
View specs →Standard short/long pitch roller chain to ISO 606 and ANSI.
View specs →Engineering class, M/FV/Z series and bucket elevator chain.
View specs →BI-Planar cardan chain for power & free and finishing systems.
View specs →Heavy-duty chain for cement, mining and bulk handling.
View specs →Forged fork link scraper chain for powder, granule and block handling.
View specs →Corrosion-resistant chain for food and harsh environments.
View specs →Plate wheels and sprockets with hub, matched to our chains.
View specs →Rivetless, drop forged, high alloy steel. Fine forging, with or without zinc plating.
| Model | Track | Tensile strength | Finish | Typical use |
|---|---|---|---|---|
| X228 | Light duty | Light-duty class | As forged / zinc plated | Light overhead trolley systems, warehousing |
| X348 | 3" | < 40,000 lbs | As forged / zinc plated | Blasting & coating lines, light overhead conveyors |
| X458 | 4" | Medium-heavy class | As forged / zinc plated | Car wash, automotive, general overhead conveying |
| X678 | 6" | > 125,000 lbs | As forged / zinc plated | Heavy industrial, blasting & painting |
| 698 | 6" class | Heavy class | As forged | Forged loop link chain, heavy conveying |
| S-698 | Metric | Heavy class | Fine forged, shot peened | Metric drop forged rivetless chain |
Industries these chains are built for.

Overhead rivetless chain moves bumpers and door subassemblies to the production line.

X458 / X658 forged chain for car wash conveyor systems.

From overhead conveying to sugar processing — widest range of conveyor chains; X698 sugar mill chain.

Chains withstand the arduous demands of cement plants.

Enclosed track chain for 3"/4"/6" power & free and finishing systems.

Food industry chain options; stainless steel roller chain for food lines.

Special conveyor chains for fixed and mobile equipment, underground and surface.

High tensile strength and abrasion resistance for palm oil mills.

Overhead conveyors for poultry processing and meat packing.

Conveying for foundry lines.
In-house CNC hydraulic forging, CNC machining centers and heat treatment furnaces — chain links are heat treated in our own shop for consistent hardness. 40,000 m² plant, IATF 16949 / ISO 9001:2015 / ISO/TS 16949.

Send the chain model or track size and your working conditions. An engineer — not a sales bot — checks fit and replies.