TG
TGEM ISO 9001
Yong Cheng Feng Precision
30+ Years Taiwanese Craftsmanship・ISO 9001:2015 Certified

Precision CNC Turning-Milling &
Automotive Switches & Sensors

Formerly Gih Shung Co., Ltd., TGEM has more than 30 years of manufacturing experience in automotive switches and sensors, and operates CNC and Swiss-type turning-milling machines. Our products are marketed worldwide.

30+
Years Manufacturing
416
Switch & Part Models
Ø2~36
Swiss-Type OD Range (mm)
2.5D
Optical Video Measuring
TGEM Precision CNC Machining & Automotive Switches
Precision & Reliability

CNC & Swiss-Type Turning-Milling Machines

Dual Core Competencies

TGEM Dual Manufacturing Divisions

From CNC turned and milled parts to automotive switches and sensors marketed worldwide, with process integration support.

CNC Turning & Milling Division

Customized parts made to customer requirements, including medical parts, motorcycle parts, agricultural machine parts, spray gun parts, oil hose fittings, auto electronic parts and connectors.

  • Materials: copper, iron, aluminum, stainless steel and other metals
  • Capacity: Swiss-Type & CNC Centers, OD Ø2 ~ Ø36 mm
  • Services: custom products, product development, assembly and surface treatment
Explore CNC Components

Automotive Switches & Sensors Division

Formerly Gih Shung Co., Ltd., developing and manufacturing backup light switches, stop light switches, oil pressure switches, thermo switches, water temperature sending units and solenoid throttle valves, cross-referenced to OEM numbers.

  • Vehicle Coverage: TOYOTA, MITSUBISHI, NISSAN, ISUZU platforms
  • Cross-reference: OEM numbers listed by maker for each model
  • Range: 416 standard models, OEM cross-reference on request
Explore Automotive Switches

Featured Showcase

Featured Products

Selected CNC turned parts and automotive switches

Full Product List →
Spray gun parts
CNC Precision Turning & Milling

Spray gun parts

Oil hose fittings
CNC Precision Turning & Milling

Oil hose fittings

Auto electronic parts
CNC Precision Turning & Milling

Auto electronic parts

Medical parts
CNC Precision Turning & Milling

Medical parts

customized components
CNC Precision Turning & Milling

customized components

GS-200201 Stop light switches
GS-200201 TOYOTA
Automotive Switches & Sensors

GS-200201 Stop light switches

OEM: 83420-10012, 83420-10020
GS-200202 Stop light switches
GS-200202 TOYOTA
Automotive Switches & Sensors

GS-200202 Stop light switches

OEM: 84340-12020, 84340-12021, 84340-20010, 84340-20011, 84340-35010
GS-200203 Stop light switches
GS-200203 MAZDA TOYOTA
Automotive Switches & Sensors

GS-200203 Stop light switches

OEM: 0727-67-210, 84340-10010, 84340-10011, 84340-10012, 84340-10013, 84340-30010, 84340-30011, 84340-30012, 84340-30013

Why Choose TGEM

Why TGEM

"Quality first, integrity foremost" is our guiding principle. We inspect every product with professional equipment and serve every customer sincerely.

CNC Turning & Milling

CNC turning-milling machines and Swiss-type turning-milling machines, machinable outer diameter Ø2–Ø36 mm.

Automotive Switches & Sensors

Formerly Gih Shung Co., Ltd., specializing in the development and manufacturing of automotive switches and sensors, marketed worldwide.

Inspection Equipment

To ensure product quality, we use professional inspection equipment such as a 2.5D optical video measuring system and a surface roughness tester.

Materials & Surface Treatment

Copper, iron, aluminum, stainless steel and other metals. Surface treatment: electroplating, anodizing, copper washing, rainbow chromate.

Corporate News

Latest News

View All News
News 2021-09-01

NEW machine Goodway SW-20

We got new machine of Goodway SW-20 in the end of August to expand our production capacity. Now we have 9 CNC lathe turning & milling machines to provide service of stable delivery and quality.

News 2021-08-25

TGEM | Professional manufacturer of automotive electronic parts

Yong Cheng Feng Electronic Co. Ltd., well-known manufacturer of automotive electronic parts with brand TGEM. Based on more than 30 years of auto parts manufacturing experiences, we keep expanding our service scope to introduce more CNC lathe machines.

News 2021-08-25

The new official website is launched

The new official website of YONG CHENG FENG officially launched. We sincerely welcome you to our company!

News 2021-07-15

We Got ISO Certificated

Yong Cheng Feng Electronic Co., LTD acquired ISO 9001:2015 certificate in July, 2021. We continue taking care of customers' voices to advance our service quality.

News 2014-12-12

Relocated to No. 1-29, Yixing St., Xiushui Township, Changhua on 2014/12/08

Officially relocated on 2014/12/08 to No. 1-29, Yixing St., Xiushui Township, Changhua County. Tel: 04-7618798, Fax: 04-7618797.

Ready to Discuss Custom Manufacturing or Request OEM Pricing?

We provide customized products, product development, assembly and surface treatment services to meet your requirements.