What Motorman makes

Motorman is the aftermarket brand of Ningbo Motor Industrial Co., Ltd., a Chinese manufacturer of replacement suspension, steering, and chassis parts founded in 1999. The core catalog is ride control and undercar: shock absorbers, ready-to-install loaded strut assemblies, ball joints, control arms, tie rod ends, rack ends, cross rods, and stabilizer links. Alongside those it lists brake parts, water pumps and cooling components, timing chain kits, and rubber suspension parts. The company describes its strut assemblies as built to match the original-equipment ride and handling profile of the vehicle, which is the usual promise of a mid-tier aftermarket ride-control supplier rather than an OEM program.

The catalog is broad rather than deep in any one platform. Company materials cite more than 10,000 part numbers spanning Korean, Japanese, American, European, Russian, and Chinese vehicles, with named coverage for makes including Mazda, Mitsubishi, Subaru, Toyota, Suzuki, Renault, Nissan, Mercedes-Benz, Ford, Dodge, Chrysler, and Jeep. Self-reported annual capacity gives a sense of the volume the operation is built for: roughly 30 million control arms, 60 million ball joints, and 70 million rack ends a year, plus about 1.8 million shock absorbers. A separate heavy-duty division, Motorman HD, supplies shock absorbers for trucks, trailers, and buses, an application the company says it has produced through joint-venture factories since 2004. The house also carries accessories, including alloy wheels under the Zumbo name.

Ownership and history

Ningbo Motor Industrial was established in 1999 and operates from the Ningbo Hi-Tech Zone in Zhejiang province, part of one of China's largest concentrations of auto-parts and accessories manufacturing near Beilun port. It is a privately held, independent manufacturer and trading company rather than a division of a larger listed group, and it sells under its own Motorman brand as well as offering OEM and ODM production for other buyers. The company reports 5 production lines, a research and development staff of 21 to 30 people, and more than 50 foreign-trade staff, with four branch or retail locations on record.

Distribution into its largest market runs through a US arm, Motorman Auto Parts Inc, based in Diamond Bar, California. The parent's stated self-image is a worldwide group focused on replacement parts and accessories, and it has built the brand largely through trade shows: it exhibited at AAPEX in Las Vegas in 2022 (booth #6318) and at Automechanika Shanghai in 2023, among other aftermarket events. Reported annual output value sits in a US$10 million to US$50 million band, a self-reported figure rather than an audited one.

Certifications and quality

Motorman's made-in-China trading profile lists management-system certification to both ISO 9001 and IATF 16949, the automotive quality-management standard. Those are the company's own claims; the certificates' issue dates and certifying body are not published on its accessible pages, so a buyer should request current certificates during qualification rather than treat the listing as verified. An IATF 16949 claim from an aftermarket-focused manufacturer is worth confirming on a per-plant basis, since certification scope and the plant that actually makes a given part number can differ. Buyers running a formal PPAP or first-article process should treat the quality claim as a starting point to validate, not a finished credential.

Known customers

Motorman sells replacement parts by vehicle application, not through named original-equipment programs, so there is no documented OEM customer to publish. Its coverage lists vehicle makes it builds parts to fit, which is a fitment catalog rather than a supply relationship. No customer with a documented program passed the evidence bar for this profile, so none is named here. Buyers evaluating the company should ask directly for reference accounts and program history.

Sourcing notes

Motorman is an exporter: company materials put its export share above 90 percent, with primary markets in North America, South America, Eastern Europe, Southeast Asia, and the Middle East. That export orientation, combined with a US distribution entity in California, is the shape of a China aftermarket supplier selling replacement parts to distributors and retailers rather than to vehicle assembly lines. For US buyers, that also means the parts arrive with the tariff exposure and lead-time profile of imported Chinese suspension components, and that qualifying the supplier means checking certificates, plant scope, and part-level quality directly rather than relying on program pedigree.

US customs bill-of-lading records did not return a shipment history matched to this manufacturer's entity in the sources checked, which is common for a supplier that ships under distributors' and importers' names rather than its own. Absence of a matched record is not evidence of low volume; it means the import trail runs through buyer entities. Buyers who want a documented trade footprint can ask the company for its US importers of record and reconcile from there.

Frequently asked questions

What does Motorman Auto Parts make?

Motorman, the brand of Ningbo Motor Industrial Co., Ltd., makes aftermarket suspension, steering, and chassis replacement parts: shock absorbers, loaded strut assemblies, ball joints, control arms, tie rod ends, rack ends, and stabilizer links, plus brake parts, water pumps, and timing chain kits. A Motorman HD division supplies heavy-duty shock absorbers for trucks, trailers, and buses.

Who owns Motorman Auto Parts?

Motorman is the brand of Ningbo Motor Industrial Co., Ltd., a privately held Chinese manufacturer founded in 1999 and based in the Ningbo Hi-Tech Zone in Zhejiang province. It is an independent manufacturer and trading company, not a division of a larger listed group, and distributes into the United States through Motorman Auto Parts Inc in Diamond Bar, California.

Where is Motorman Auto Parts located?

The manufacturer is in the Ningbo Hi-Tech Zone, Zhejiang, China, near Beilun port, one of China's largest auto-parts manufacturing regions. Its US sales and distribution office, Motorman Auto Parts Inc, is at 1930 S Brea Canyon Rd Ste 150, Diamond Bar, California 91765.

What certifications does Motorman hold?

Motorman's trading profile lists management-system certification to ISO 9001 and IATF 16949. The company publishes these as claims without accessible certificate dates or the certifying body, so buyers should request current certificates and confirm the plant scope during supplier qualification.

What is Motorman Auto Parts' revenue?

Motorman reports an annual output value in the US$10 million to US$50 million band. This is a self-reported figure, not an audited one, and the company does not publish detailed financials. Data brokers that model headcount from LinkedIn profiles tend to undercount manufacturers of this type.

Who are Motorman Auto Parts' customers?

Motorman sells replacement parts by vehicle application rather than through named original-equipment programs, and it reports exporting more than 90 percent of output to distributors and retailers across North America, South America, Eastern Europe, Southeast Asia, and the Middle East. There is no documented OEM program customer to name.

Last verified September 28, 2026. Is this your company? Request a correction.