AUTOMOTIVE THERMAL MANAGEMENT · Electronic water pumps, thermal management modules & coolant valves.
AUTOMOTIVE COMPONENTS · THERMAL MANAGEMENT

Thermal management.
Built for automotive applications.

Electronic water pumps, thermal management modules and electric coolant valves from WEISHI. Send a part number or OE reference to find the right replacement.

Thermal management module
Thermal management module
Electronic water pump
Electronic water pump
Electric coolant valve
Electric coolant valve
Electronic water pumpsEWP
Thermal management modulesTMM
Electric coolant valvesECV
01 / PRODUCT PORTFOLIO

Three families.
One thermal focus.

Browse our product families and send your OE references, part numbers or product photos for matching and a quotation.

01 / EWP
Electronic water pumps

Electronic water pumps

Electrically driven pumps for coolant circulation.

02 / TMM
Thermal management modules

Thermal management modules

Integrated assemblies for coolant flow and temperature management.

03 / ECV
Electric coolant valves

Electric coolant valves

Electrically controlled valves for coolant flow routing.

No matching product family. Contact our sales team.
02 / RESEARCH & DEVELOPMENT

Mechanical expertise.
Electronic intelligence.

Our 50-person R&D team brings together product development, process engineering and validation. Capabilities span mechanical structures, fluid simulation, motor design and embedded controls.

01

Design & simulation

Structural and electromagnetic simulation, hydraulic analysis, motor and pump design, and PCBA thermal simulation.

02

Electronics & software

Circuit hardware and embedded software development. BLDC and PMSM control algorithms, with CAN, LIN and PWM interfaces.

03

Validation & traceability

Reliability testing and performance measurement, supported by APQP development processes and MES production monitoring.

03 / ABOUT WEISHI

Thermal management.
Our core focus.

Send a part reference →

Hangzhou Weishi Electronics Co., Ltd. develops and manufactures automotive thermal management components. Our core range covers electronic water pumps, thermal management modules and electric coolant valves.

Our capabilities combine mechanical design, motor control, electronics and manufacturing. Alongside thermal management components, our portfolio includes electric oil pumps, turbocharger actuators, urea pumps, motors and controllers.
150Employees
50R&D team members
US$22MSales revenue
IATF 16949Automotive quality management
ISO 9001Quality management system
04 / MANUFACTURING & VALIDATION

Inside our production
and testing facilities.

In-house processes include precision injection molding, winding, magnetizing, laser welding and spin welding.

WEISHI automated production line from the company profile
Automated production3 fully automated lines and 8 semi-automated lines
WEISHI assembly equipment
Process monitoringMES monitoring and in-process verification
WEISHI reliability testing equipment
Test & validationPerformance, durability, leakage and environmental testing
05 / PRODUCT INQUIRY

Looking for
a replacement part?

Send the OE reference, part number, vehicle application or a product photo. Our sales team can help with product matching, availability and pricing.

Hangzhou Weishi Electronics Co., Ltd.
ADDRESS10th Floor, 3rd Building, No. 19, Naxian Street,
Yuhang District, Hangzhou, China
SALES EMAILsales@withelectronics.com ↗
PHONE+86 571 8877 9329
MOBILE / WHATSAPP / WECHAT+86 153 5611 4758
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06 / CUSTOMER SERVICES

Part matching.
For approved customers.

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07 / SOURCING SUPPORT

Before your inquiry.

For a product match, please provide an OE reference, vehicle application or sample photo. Specifications and availability require confirmation.