Wenzhou Zhengyuan Electronic Co., Ltd. is an independent manufacturer of electrical test and measurement instruments in Wenzhou, China, trading under the CHINYOO and Electrical World brands. Our company profile is also listed in the independent B2B directories below.
These listings are operated and maintained by the directories themselves, not by us. If you find information there that no longer matches our website, please let us know and we will ask the directory to correct it.
B2B directories
- ExportBureau — an international trade directory for importers sourcing directly from manufacturers. Our company profile is reviewed and approved by ExportBureau staff before publication. ExportBureau profile
- eTesters — a directory of electronic test equipment manufacturers, used by engineers comparing instruments across brands. eTesters catalog entry
Our own channels
The authoritative source for our product specifications, certifications and contact details is this website. For anything commercial, the fastest route is the contact page.