Request a quote

CONTACTORS · RELAYS · SWITCHES

ELECTRICAL

Heavy machinery
Heavy machinery
DC contactors
DC contactors
Automated inspection
Automated inspection
Battery disconnect switches
Battery disconnect switches
Toggle switches & breakers
Toggle switches & breakers
Quality control
Quality control
Batch traceability
Batch traceability
OEM manufacturing
OEM manufacturing
Research & development
Research & development
01 / 09
PRODUCT RANGE?

DC 12V–96V Contactors, Relays,
Switches & Circuit Breakers

APPLICATIONS?

Construction Machinery, Heavy Trucks,
Forklifts, EVs & Energy Storage

3,500 m² Shanghai Facility

Stable Volume Delivery & Fast Sample Turnarounds

GET A QUICK QUOTE

CORE COMPETENCIES

ENGINEERED FOR
EXTREME RELIABILITY

01 — PRODUCT RANGE02 — QUALITY CONTROL03 — OEM CAPABILITY
12V – 96V DC RANGEPRODUCT RANGE

HEAVY-DUTY CONTACTORS & SWITCHES

Engineered specifically for construction machinery, heavy trucks, forklifts, and electric vehicles. Featuring IP67 sealing, magnetic blow-out arc extinguishing, and continuous current handling up to 600A.

< 500 PPM DEFECT RATEQUALITY CONTROL

AUTOMATED TESTING & TRACEABILITY

Every batch undergoes automated PLC open-distance, contact resistance, and spring pressure verification. Inspection data is stored under individual QR codes on each unit for 100% lifetime batch traceability.

IATF 16949 CERTIFIEDOEM CAPABILITY

TIER-1 OEM MANUFACTURING PARTNER

Providing full APQP product lifecycle development, DFM tool design, and custom mold analysis . Trusted supplier to leading OEMs including Caterpillar, Sany, XCMG, and Zoomlion.

SHANGHAI TIANYI HANG INDUSTRIAL CO.,LTD

POWERING HEAVY
INDUSTRY SINCE 2005

Watch our 3,500m² shanghai factory,automated testing lines, and smart MES workshop in action.

EXPLORE OUR CAPABILITIES
Shanghai Tianyi Hang production floor
20+ Years

Factory tour

The factory video is coming soon.

APPLICATIONS

BUILT FOR HEAVY INDUSTRY

Construction Machinery

Construction Machinery

Heavy Trucks

Heavy Trucks

Forklifts &amp; EVs

Forklifts & EVs

Energy Storage

Energy Storage

QUALITY ASSURANCE

CERTIFICATES &
TEST DOCUMENTATION

Certificate or test document 1View document ↗Certificate or test document 2View document ↗Certificate or test document 3View document ↗Certificate or test document 4View document ↗Certificate or test document 5View document ↗Certificate or test document 6View document ↗

OEM SOURCING

FREQUENTLY ASKED
QUESTIONS

How do I select the right industrial contactor?

Provide the operating voltage, load current, load type, control voltage, switching frequency and application environment. These details help determine which product specifications need to be evaluated.

Can I request a customized contactor?

Customization depends on the model and technical requirements. Share your specifications or drawings so the feasibility of your requested configuration can be reviewed.

Can I request samples before bulk purchasing?

Sample availability, cost and lead time should be confirmed for the selected model before placing an order.

What information is needed for a quotation?

Provide the model number, required quantity, electrical specifications, intended application and any special technical or packaging requirements.

REQUEST A QUOTE

DISCUSS YOUR
PROJECT

Send us your specifications, drawings or existing part number to discuss product suitability, customization feasibility and quotation requirements.