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Why Can We Always Ensure Excellent Quality

Quality Control

Wotech respects the international standard, besides we also insists on the strict quality control in heat pump industry.From sourcing, inspecting incoming materials, workmanship, performance and reliability of products, our QC team works strictly from all aspects to committed the requirements of our customers , continuously improving the efficiency of our quality management system, to achieve our quality objectives.

Certification

Guangdong Wotech Renewable Energy & Technology Co., Ltd. Certifications
Standard: ISO45001
Number: 04924S00184R4S
Issue Date: 2012-07-24
Expiry Date: 2027-03-19
Scope/Range: Design,production and sales service of frequency conversion low ambient temperature air source heat pump unit,frequency conversi
Issued By: Guangdong Quality Testing CTC Certification Co.,Ltd
Guangdong Wotech Renewable Energy & Technology Co., Ltd. Certifications
Standard: ISO9001
Number: 04923Q00310R3S
Issue Date: 2014-07-02
Expiry Date: 2026-03-21
Scope/Range: Design,manufacture and sales service of frequency conversion low ambient temperature air source heat pump unit, frequency conver
Issued By: Guangdong Quality Testing CTC Certification Co.,Ltd
Guangdong Wotech Renewable Energy & Technology Co., Ltd. Certifications
Standard: ISO/IEC 27001
Number: CTC04923IS00029R0S
Issue Date: 2023-07-06
Expiry Date: 2026-07-05
Scope/Range: Provide information security management activities related to the design,manufacture and sales service of frequency conversion l
Issued By: Guangdong Quality Testing CTC Certification Co.,Ltd
Guangdong Wotech Renewable Energy & Technology Co., Ltd. Certifications
Standard: ISO14001
Number: 04924E00201R4S
Issue Date: 2012-07-24
Expiry Date: 2027-03-19
Scope/Range: Design, production and sales service of frequency conversion low ambient temperature air source heat pump unit,frequency convers
Issued By: Guangdong Quality Testing CTC Certification Co.,Ltd
Guangdong Wotech Renewable Energy & Technology Co., Ltd. Certifications
Standard: UL
Number: SD-CERT180802308
Issue Date: 2019-01-08
Scope/Range: Heat Pump
Issued By: SGS
Guangdong Wotech Renewable Energy & Technology Co., Ltd. Certifications
Standard: CE
Number: LVD GZES2305008805HSA01
Issue Date: 2023-10-16
Scope/Range: INVERTER HEAT PUMP
Issued By: SGS
Guangdong Wotech Renewable Energy & Technology Co., Ltd. Certifications
Standard: CE
Number: 240102031GZU-VOC001
Issue Date: 2024-03-18
Scope/Range: Inverter Air to Water Heat Pump
Issued By: Intertek
Guangdong Wotech Renewable Energy & Technology Co., Ltd. Certifications
Standard: CNAS
Number: CNAS L12046
Issue Date: 2025-03-06
Expiry Date: 2031-03-05
Scope/Range: is accredited in accordance with ISO/EC 17025:2017 GeneralRequirements for the Competence ofTesting and CalibrationLaboratories(
Issued By: China National Accreditation Service for Conformity Assessment
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