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Brake caliper manufacturer · Wenzhou, China

Brake calipers, engineered beyond OE.

25+ years of caliper making for the global aftermarket and China's OE light-bus programs — 1,300+ part numbers, IATF 16949 certified, every caliper pressure tested.

25+years making brake calipers
1,300+caliper part numbers
6,000+caliper components in stock
13,000m²factory in Wenzhou
20+invention & design patents
100%calipers pressure & torque tested
01 — Product lines

Four lines. One braking specialist.

From EPB calipers on Chinese OE light buses to TAXUS six-piston kits for the street, every line is designed, machined and validated under one roof.

  • Aluminum, iron and EPB calipers for European, American, Japanese and Korean vehicles, with 50–100+ new models added every year.

    • FinishesOil-dip · Zinc · Powder · Paint
    • PistonsSteel · Aluminum · Phenolic
    • Inspection100% pressure + torque

    View aftermarket models →

  • Front and EPB rear calipers for fuel and new-energy light buses and logistics vehicles, including self-driving series.

    • EPB piston51 / 57 mm
    • Parking clamp force38,000 N
    • Full load2.5–5.5 T

    View OE models →

  • Calipers, rotors and complete kits engineered from OE data to lift braking performance — private brand or fully customized.

    • Series6-piston · 4-piston · Heavy-duty
    • RotorsHigh-performance

    View TAXUS series →

  • Pistons, bolts, rubbers, clips, springs, cables and levers in flexible quantities, plus rotors, pads, master cylinders and precision CNC machining.

    View components →

TOPWEST aftermarket brake caliper range
Aftermarket range
TOPWEST OE front and EPB rear calipers for light buses
OE light-bus calipers
TAXUS high-performance big brake kits with drilled rotors
TAXUS big brake kits
Brake caliper components: rotors, pads, pistons and hardware
Components & CNC
Exploded view of a TOPWEST EPB electronic parking brake caliper
02 — OE spotlight

Large-piston EPB calipers for China's light buses.

TOPWEST reports being the first manufacturer in China of large-parking-force EPB electronic calipers for light buses. Every program runs from 3D design, braking-force calculation and CAE analysis through samples, testing and series production.

38,000Nparking clamping force
51 / 57mmEPB piston diameters
2.5–5.5Tvehicle full load
2020OE light-bus program start
OE supply partners
KinglongYangzhou Yaxing BusSuzhou KinglongZhongtong BusCRRC
03 — Quality

From incoming steel to sealed carton.

Three inspection gates and an in-house validation lab stand between raw material and your warehouse. Quality & R&D →

IQC

Incoming material

Packaging, labels, appearance, dimensions, physical, chemical and mechanical properties checked against approved samples — non-conforming lots are returned.

IPQC

In-process

First-piece, on-site patrol and last-piece inspection under a three-level check: operator, team leader, QC inspector.

FQC / OQC

Final & outgoing

Appearance, size, fit & function, marking, label and packaging checked and reported before every shipment.

TOPWEST inspector checking brake calipers on the production line
Validation lab 12

main tests and equipment — durability, torsion fatigue, EPB durability, inertia dynamometer, salt spray, high/low temperature, metallographic analysis and more.

04 — Certifications

Certified for OE. Proven in the aftermarket.

Management systems and government recognitions that buyers can verify.

Quality management

IATF 16949:2016

Automotive quality management system.

Environment

ISO 14001:2015

Environmental management system.

Certificate

SRMSC

Listed among TOPWEST's certificates.

TOPWEST IATF 16949 and ISO 14001 certificates
  • National High-tech Enterprise
  • Zhejiang Technology-based SME
  • Zhejiang "Specialized, Characteristic, New" S&T Enterprise
  • Wenzhou High-Growth Industrial Enterprise
  • Wenzhou Enterprise Technology R&D Center
05 — Company

"Product can talk."

Wenzhou Topwest Brakes Co., Ltd. is based in Wenzhou, Zhejiang — one of China's most important auto-parts production bases — on a 13,000 m² site in Wencheng County.

We make brake calipers for the worldwide automotive aftermarket and the Chinese domestic OE market: light, medium and heavy vehicle brake assemblies, high-performance brake assemblies and specialty applications. Our engineers bring 25+ years of industry experience, supported by CAD / UG / Pro-E and more than 8% of output value reinvested in R&D every year.

Our mission is simple: making brake products that escort life on the road.

AAPEX, Las VegasBooth A2279 · Nov 2025
SEMA Show, Las VegasBooth 23426 · Nov 2025
Automechanika ShanghaiBooth 4.1N63 · Nov 2025
CNC machining of a brake caliper housing
Machining
TOPWEST factory building in Wencheng, Wenzhou
Factory
TOPWEST exhibition booth at an automotive trade show
Trade shows
06 — FAQ

Answers buyers ask first.

What does TOPWEST manufacture?

TOPWEST (Wenzhou Topwest Brakes Co., Ltd.) manufactures brake calipers for the worldwide automotive aftermarket and the Chinese domestic OE market, plus TAXUS high-performance big brake kits, caliper components, rotors, pads, master cylinders and customized CNC-machined parts.

How many brake caliper part numbers does TOPWEST offer?

More than 1,300 aluminum, iron and EPB caliper part numbers covering European, American, Japanese and Korean vehicles. 50–100+ new models are developed every year and 6,000+ caliper components are kept in the warehouse.

Which certifications does TOPWEST hold?

IATF 16949:2016 quality management, ISO 14001:2015 environmental management and SRMSC certificates. TOPWEST is also recognized as a National High-tech Enterprise and a Zhejiang Specialized, Characteristic, New S&T Enterprise.

Is every caliper tested before shipment?

Yes. Every aftermarket caliper is 100% pressure tested and pin/bolt torque inspected, and every shipment passes final inspection of appearance, size, fit and function, marking, label and packaging.

What surface finishes are available?

Oil-dip, zinc-plated, powder-coated and painted finishes, chosen for corrosion and rust protection. Pistons are available in steel, aluminum or phenolic with EPDM rubber parts and premium silicone lubrication.

Does TOPWEST supply OE vehicle manufacturers?

Yes. Since 2020 TOPWEST has developed calipers for China's light-bus market and supplies manufacturers including Kinglong, Yangzhou Yaxing Bus, Suzhou Kinglong, Zhongtong Bus and CRRC, including EPB calipers with 51 / 57 mm pistons and 38,000 N parking clamping force.

Can TOPWEST develop OEM or customized brake products?

Yes. TOPWEST runs a six-stage OEM development process from requirements to mass production, develops aftermarket parts from OE samples, and offers one-stop custom design, testing and manufacturing for performance brakes. The company holds 20+ invention and design patents and invests over 8% of output value in R&D each year.

Where is TOPWEST located and how do I request a quote?

The factory (13,000+ m²) is at #11 Chuangye Road, Baizhangji Town, Wencheng County, Wenzhou, Zhejiang, China. Email Sales@topwestcn.com, call +86 577 6778 1111 or message WhatsApp +86 139 6893 8151.

07 — Inquiry

Send us your part numbers.

Tell us the OE or TOPWEST numbers, quantities and target market — our sales team replies by email.

Opens your email app with the inquiry addressed to Sales@topwestcn.com.