Guangdong Manufacturing Single-item Champion
Selected in Guangdong’s 2025 provincial manufacturing champion list
About STE
STE develops and manufactures capacitors, varistors and thermistors.
Company profile, history, manufacturing, laboratory and recognitions.
Brand since 1995 · Company established 2012
Developed and made in Shantou.
The Songtian brand has been in use since 1995. Guangdong Songtian Electronic Industrial Co., Ltd. was established in 2012 and took its current name in April 2026. STE develops and manufactures ceramic capacitors, film capacitors, metal oxide varistors and NTC/PTC thermistors, and is extending its range with SMD and automotive series.
STE runs joint research programs with South China University of Technology and Jiangsu University and hosts a Guangdong provincial doctoral workstation. Its R&D center is designated an engineering technology research center for RC and sensitive components by both Guangdong Province and the City of Shantou.
Typical applications: power supplies and chargers, household appliances, industrial equipment, automotive electronics and renewable energy.
- 2012
- Company established
- 75,000 m²
- R&D and production site, Shantou
- CNAS L24638
- Accredited test center (ISO/IEC 17025)
- 701335-001
- UL WTDP laboratory no.
Milestones
Key dates since 2012.
- 2026
Renamed Guangdong Songtian Electronic Industrial Co., Ltd.; CNAS certificate reissued under the new name
- 2025
Test center accredited by CNAS (L24638); named a Guangdong provincial manufacturing single-item champion
- 2024
Recognized as a national specialized and innovative “Little Giant” enterprise
- 2023
Took part in drafting association standards for NTC thermistors and automotive-grade products
- 2022
Plant 4 completed on the west campus
- 2021
Named one of China’s top 100 electronic component enterprises for the tenth year in a row
- 2020
Automation upgrade of the high-precision component production lines
- 2019
Integrated automated production lines introduced, linking manufacturing with information systems
- 2018
West campus of Songtian Science and Technology Park opened
- 2017
Epoxy-coated varistors obtained UL certification at 125 °C
- 2016
Started developing and producing thermistors; east campus of Songtian Science and Technology Park opened
- 2015
Songtian logo trademark recognized as a Guangdong Famous Trademark
- 2014
Recognized as a municipal enterprise technology center and a provincial engineering research center for RC components
- 2013
Varistor and safety-capacitor laboratories accepted by UL; information management system introduced
- 2012
Company founded in Shantou (renamed Guangdong Songtian Electronic Industrial Co., Ltd. in 2026)
Inside manufacturing
Production equipment, automated lines and in-process inspection.
01 / 08
Continuous production equipmentMachines laid out in process order, with marked work areas.
Machine-vision inspectionIn-line vision systems check critical characteristics during production.
In-process inspectionInspectors check machine status, process parameters and product consistency on the line.
Automated production lineFeeding, processing and in-line checks run on one automated line.
Precision manufacturing equipmentKey forming and machining steps run on digitally controlled equipment.
Film-capacitor winding equipmentA cell of winding machines for film capacitors.
Process adjustmentAn operator checks tooling, feeding and key process settings at the machine.
Continuous thermal processContinuous equipment with zoned temperature control for heat treatment.
Company film · 2026
Inside the Shantou plant, in under five minutes.
The film follows safety capacitors, varistors and NTC thermistors through the main production and test steps.
- 04:55
- Full film
- Manufacturing · test · quality
- Covers
- English
- Narration & subtitles
Systems & laboratory
Management systems, UL WTDP laboratory and CNAS-accredited test center.
ISO 9001, IATF 16949, ISO 14001 and ISO 45001 management systems; UL 1449 and UL 60384-14 WTDP laboratory (701335-001); CNAS L24638 accredited test center and test capability matrix.
Quality and approvalsRecognitions
16 government and industry recognitions.
Some certificates were issued under the company’s former name.
CNAS Laboratory Accreditation
Test center accredited by CNAS, registration no. L24638
Guangdong Manufacturing Champion (certificate)
Provincial single-item champion certificate
National “Little Giant” Enterprise
Recognized in 2024 as a national specialized and innovative “Little Giant” enterprise
Guangdong Specialized & Innovative SME
Recognized by Guangdong Province as a specialized and innovative SME
Guangdong Engineering Research Center for RC Components
Provincial engineering technology research center for RC and sensitive components
National High-tech Enterprise
High-tech enterprise certificate (Guangdong)
Guangdong Doctoral Workstation
Joint research base with South China University of Technology and Jiangsu University
China Top 100 Electronic Component Enterprises
Listed among China’s top 100 electronic component enterprises for consecutive years
Shantou Award for Outstanding Contribution
Recognized for outstanding contribution to Shantou’s electronics and IT manufacturing
Shantou Enterprise Technology Center
Municipal enterprise technology center since 2014
Vice-Chair Member, Shantou IP Association
Vice-chair member of the 5th council of the Shantou Intellectual Property Association
Shantou IP Advantage Enterprise
Selected for Shantou’s intellectual-property advantage enterprise program
Shantou Engineering Research Center for RC Components
Municipal engineering research center for RC and sensitive components
Executive Council Member, CECA
Executive council member of the China Electronic Components Association
Vice-Chairman Member, CECA
Vice-chairman member of the China Electronic Components Association