About Us
Dedicating To Producing The High-Strengthwelding Wires.
2023 REACHl

2023 REACHl

2023 REACH

2023 REACH

2024LR

2024LR

Certificate Of Periodical Audit

Certificate Of Periodical Audit

10840_08tuv

10840_08tuv

11165tuv

11165tuv

ABS

ABS

bv-co2

bv-co2

Cert-1153_Changzhou-Yunhe-Welding-Material_2024_v003-1

Cert-1153_Changzhou-Yunhe-Welding-Material_2024_v003-1

Cert-1153_Changzhou-Yunhe-Welding-Material_2024_v003-2

Cert-1153_Changzhou-Yunhe-Welding-Material_2024_v003-2

Cover_Letter

Cover_Letter

CPR-2027

CPR-2027

CPR-2027

CPR-2027

CPR-Annex

CPR-Annex

CWB-YH50-6--2025-1-5

CWB-YH50-6--2025-1-5

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