CE · RoHS · ISO9001
Wenzhou, China
+86 178 1680 0511
US Button Cell Battery Directive (EN)
PDF
Wenzhou Zhengyuan Electronics – 2024305767743 mosquito-repellent wristband (illuminated anti-mosquito aromatherapy ESD) – design patent certificate
PDF
2021307398913 – Design patent certificate (stamped) (3)
PDF
Wenzhou Zhengyuan Electronics – 2023228104788 clip-type induction color test pen – Niu Chunjiu – 20240618 – utility model patent certificate (1)
PDF
301 utility model patent
PDF
Wenzhou Zhengyuan Electronics – 2023306744585 clip-type induction color test pen – Niu Chunjiu – 20240507 – design patent certificate (1)
PDF
BJXS232766I Henan Biaoniu 400001 – invention patent certificate (1)
PDF
Wenzhou Zhengyuan Electronics – 2024305504714 test pen (1) – design patent certificate (1)
PDF
A multifunctional test pen repair tool certificate (301 utility model patent)
PDF
Wenzhou Zhengyuan Electronics – 2024305504729 test pen (2) – design patent certificate
PDF
A multi-purpose electrician repair tool_EW911 design patent certificate
PDF
Wenzhou Zhengyuan Electronics – 2024305606065 test pen (3) – design patent certificate
PDF
Need More Documents?
Request datasheets, certificates or the full product catalog.
WA
×
![]()
