Some signals are mixed. Read the reviews, check the return policy and prefer a payment method with buyer protection.
Last checked November 9, 2026
Summary
Kb21.cn has a trust score of 57 out of 100. The domain registration date could not be verified, and the site uses a valid HTTPS certificate. No customer reviews have been posted yet.
How the site describes itself: "上海舒佳电气位于上海交通大学科技园，专注无局放试验变压器及高压试验设备的研发制造。产品局放量低、波形畸变率小，可按客户容量与电压等级定制，随机提供出厂试验报告与技术支持。"
What we found
- +10 Valid HTTPS certificate
- 0 Domain age could not be determined
- +3 Contact details published on the website
- −3 No email set up on this domain
- −3 Numbers in the domain name
Every website starts at 50 points. How the score works
Company and contact
- Company
- Not published
- [email protected]
- Phone
- Not found
- Policies linked
- None found
- Social profiles
- None found
Domain and security
- Registered
- Unknown
- Domain age
- Unknown
- Expires
- Unknown
- Registrar
- Unknown
- HTTPS
- Valid certificate
- Certificate issuer
- Let's Encrypt until Jan 29, 2027
- IP address
- 107.163.230.156
- Email on domain
- Not set up
- Google Safe Browsing
- Not checked
Connected websites
Redirects, shared servers, the same operator and links can reveal a network of related sites.
Links to (15)
External websites linked from the homepage.
Kb21.cn reviews
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What people search about Kb21.cn
The most common searches about Kb21.cn, so you can see what other shoppers want to know.
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Is Kb21.cn legit, safe or a scam?
Is Kb21.cn legit?
Based on our checks, Kb21.cn scores 57 out of 100, which we rate as "Use Caution". There are no customer reviews yet, so we cannot confirm what buying from them is like.
Is Kb21.cn safe to buy from?
Kb21.cn uses a valid HTTPS certificate, so payment details are encrypted on the way to the site. Whatever the score, pay with a card or PayPal so you can dispute the charge if something goes wrong.
Is Kb21.cn real or fake?
Kb21.cn appears to be a real website, but some signals are mixed. Check the contact details and reviews before trusting it with money.
Is Kb21.cn a scam?
We cannot rule it out. Kb21.cn shows mixed signals, so read the reviews and start with a small order if you decide to buy.
Is Kb21.cn trustworthy?
There are not enough customer reviews yet to judge. Our automated checks give it 57 out of 100.
Who owns kb21.cn?
The website does not clearly publish who operates it.