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Why Can We Always Ensure Excellent Quality

Quality Control

Dongguan Heng Hao Electric Co., Ltd thermostat and thermal protectorhave been certified by CQC,TUV,UL CUL and ROHS environmental certification. Our company is always adhering to ISO 9001:2000 Quality Management System and the product quality is automatically inspected and controlled by the computer. Our annual output can reach 50,000,000 pieces and our products are widely exported to Europe, America and South Asia.

Certification

Dongguan Heng Hao Electric Co., Ltd Certifications
Standard: UL certificate
Number: E487478
Issue Date: 2017-01-10
Scope/Range: thermostat thermal protector
Issued By: UL
Dongguan Heng Hao Electric Co., Ltd Certifications
Standard: CUL certificate
Number: E487478
Issue Date: 2017-01-10
Scope/Range: thermostat thermal protector
Issued By: UL
Dongguan Heng Hao Electric Co., Ltd Certifications
Standard: TUV CERTIFICATE
Number: B160592241002 Rev.01
Issue Date: 2017-07-31
Expiry Date: 2022-07-30
Scope/Range: thermostat thermal protector
Issued By: TUV SUD
Dongguan Heng Hao Electric Co., Ltd Certifications
Standard: CQC
Number: CQC15002129356
Issue Date: 2015-07-31
Scope/Range: thermosat thermal protector
Issued By: CQC
Dongguan Heng Hao Electric Co., Ltd Certifications
Standard: TUV
Number: B150592241001 Rev.01
Issue Date: 2017-07-28
Expiry Date: 2022-07-28
Scope/Range: thermostat thermal protector
Issued By: TUV SUD
Dongguan Heng Hao Electric Co., Ltd Certifications
Standard: CQC
Number: CQC16002142880
Issue Date: 2016-04-21
Scope/Range: thermostat thermal protector
Issued By: CQC
Dongguan Heng Hao Electric Co., Ltd Certifications
Standard: CQC
Number: CQC16002142881
Issue Date: 2016-04-21
Scope/Range: thermostat thermal protector
Issued By: CQC
Dongguan Heng Hao Electric Co., Ltd Certifications
Standard: CQC
Number: CQC15002129343
Issue Date: 2015-07-31
Scope/Range: thermostat thermal protector
Issued By: CQC
Dongguan Heng Hao Electric Co., Ltd Certifications
Standard: ISO9001
Number: SW17Q21043R0S
Issue Date: 2017-11-27
Expiry Date: 2020-11-26
Issued By: SAILWAY
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