βοΈ Eliminate costly downtime and sourcing delays with ISO 9001-certified weld-on sprockets & hubs engineered for mining, agriculture & food equipment. 25 years of precision casting & machining, delivered 42% faster than market average.
β Trusted by Siemens, Bosch, Toyota & 80+ OEMs worldwide

π 30,000mΒ² production facility Β· 300 skilled staff
Every year, procurement and engineering leaders lose $12,000β$47,000 per line due to premature sprocket failure, missed tolerances, and supply chain friction. Here is what we hear from your peers:
βOur weld-on hub cracked after 300 hrs. That stop cost us $9,200/hr in lost output.β β Ops Manager, German food machinery
βLow-cost sprockets seemed a bargain, but we replaced them 3x in 18 months. Total cost? 2.7Γ the premium version.β
βSupplier quoted 14 weeks plus $900 freight. We lost the contract because we could not commit.β β Supply Chain Manager, US mining
π The root cause: generic off-the-shelf parts not designed for your actual load profile, weld procedure, or duty cycle.
Hebei Oriental Industry does not sell βone-size-fits-noneβ parts. We deliver OEM/ODM weld-on sprockets and hubs matched to your torque, shaft size, material hardness, and welding process β with full traceability.
1045, 4140, 4340, stainless 304/316, alloy steel, ductile iron β with MTR certificates.
Bore H7, keyway to DIN 6885, tooth profile per ISO 606. Β±0.02 mm on critical diameters.
Chamfered weld prep, stress-relief options, and pre-cleaned surfaces for crack-free field welding.
Sample in 7β12 days, bulk 15β25 days. DDP & air freight options for urgent lines.
| Parameter | Sprocket (B Series) | Weld-On Hub (HW Series) | Custom Range |
|---|---|---|---|
| Pitch (mm) | 6.35 β 50.8 | N/A (hub bore) | Per customer drawing |
| Teeth / Bore Γ | 9 β 72 teeth | Γ20 β Γ200 mm | Up to Γ400 mm |
| Hardness | HRC 28β45 (induc.) | HB 180β280 | HRC 25β55 |
| Surface Treatment | Black oxide, phosphating | Zinc-plated, Dacromet | Hot-dip galvanized, HDG |
| Certification | ISO 9001, CE, RoHS, GS, CB (certificates available) | ||
π All weld-on sprockets and hubs can be supplied with full material test reports (MTR) and dimension inspection reports.

+ 80+ OEM partners globally
β
ISO 9001 Β· CE Β· RoHS Β· GS Β· CB Β· SGS tested
βWe switched weld-on hub supply to Oriental Industry. Lead time dropped from 12 to 4 weeks, and first-pass yield hit 99.3%.β

βTheir custom weld on sprockets for our combine harvesters withstood 2,100 hrs without measurable wear. Exceptional quality.β

βThese guys understand supply chain. DDP to our Nevada site in 9 days, and the hubs welded perfectly on first pass.β


βOrdered 120 custom weld-on hubs for our silage line. Every single one matched the bore tolerance perfectly. Installation time cut by 40% β we are placing a repeat order now.β

βWe were skeptical about direct sourcing from China, but Oriental Industry changed our mind. DDP delivery, full traceability, and the quality is equal to German-made. 40% cost savings.β

βWe tested their weld-on sprocket on our toughest apron feeder. After 3,200 hours, tooth wear was only 0.8 mm. Unbelievable. Our previous supplier lasted 1,100 hours.β

With 22 years in power transmission and casting/machining, I have overseen 1,200+ custom sprocket and hub projects for global OEMs. I personally review every technical drawing before production. My goal: make your weld-on parts the most reliable in your machine.
Get a custom quote within 24 hours β including drawing review, MOQ, and DDP pricing.
π¬ B-1909 Xinke International Plaza, No. 158 Huai'an East Road, Shijiazhuang, China Β· Contact Us
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