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Why Can We Always Ensure Excellent Quality

Quality Control

Our factory is equipped with automatic manufacturing facilities and advanced testing and inspection equipments. We have a number of patent certificates, strong technical strength. At the same time, we also have perfect production management system and quality assurance system to maintain the stability and reliability of our products.

Certification

Xiamen Winley Electric Co.,Ltd Certifications
Standard: CE
Number: BSTXD230622426301SC
Issue Date: 2023-06-06
Scope/Range: SBK-2000VA BK-25VA~1000KVAJBK-40VA~100KVAJMB-25VA~1000KVA,DG-25VA~1000KVA,QZB-17KVA~3000KVA,SG-50VA~5000KVA ,ZSG-50VA~5000KVA.SC
Issued By: BST
Xiamen Winley Electric Co.,Ltd Certifications
Standard: CE
Number: BSTXD230622426303EC
Issue Date: 2023-06-06
Scope/Range: SBK-2000VA BK-25VA~1000KVAJBK-40VA~100KVAJMB-25VA~1000KVADG-25VA~1000KVA,QZB-17KVA~3000KVA,SG-50VA~5000KVA,ZSG-50VA~5000KVASCB-1
Issued By: BST
Xiamen Winley Electric Co.,Ltd Certifications
Standard: ISO45001
Number: 91350206302861818D
Issue Date: 2025-05-22
Expiry Date: 2026-05-21
Scope/Range: Sales of Transformers
Issued By: CSC
Xiamen Winley Electric Co.,Ltd Certifications
Standard: UL certificate
Number: UL-US-2564931-0
Issue Date: 2025-04-23
Scope/Range: Transformers, Distribution, Single Phase Liquid-Filled, Pad-Mounted Type
Issued By: UL Solutions
Xiamen Winley Electric Co.,Ltd Certifications
Standard: ISO24001
Number: 91350206302861818D
Issue Date: 2025-05-22
Expiry Date: 2026-05-21
Scope/Range: Sales of Transformers
Issued By: CSC
Xiamen Winley Electric Co.,Ltd Certifications
Standard: ISO45001
Number: 32123Q30190R0S
Issue Date: 2025-05-22
Expiry Date: 2026-05-21
Scope/Range: Sales of Transformers
Issued By: CSC
Xiamen Winley Electric Co.,Ltd Certifications
Standard: UL certificate
Number: UL-US-2431836-0
Issue Date: 2024-08-27
Scope/Range: Three phase Liquid-filled Pad-Mounted Distribution Transformer
Issued By: UL Solutions
Xiamen Winley Electric Co.,Ltd Certifications
Standard: cUL certificate
Number: UL-CA-2423202-0
Issue Date: 2024-08-21
Scope/Range: Three phase Liquid-filled Pad-Mounted Distribution Transformer
Issued By: UL Solutions
Xiamen Winley Electric Co.,Ltd Certifications
Standard: UL certificate
Number: UL-US-2329418-0
Issue Date: 2024-08-27
Scope/Range: Dry Type General Transformer
Issued By: UL Solutions
Xiamen Winley Electric Co.,Ltd Certifications
Standard: cUL certificate
Number: UL-CA-2325208-0
Issue Date: 2024-08-27
Scope/Range: Dry Type General Transformer
Issued By: UL Solutions
Xiamen Winley Electric Co.,Ltd Certifications
Standard: cUL certificate
Number: UL-CA-2548224-0
Issue Date: 2025-04-23
Scope/Range: Transformers, Distribution, Single Phase Liquid-Filled, Pad-Mounted Type
Issued By: UL Solutions
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