Hanwei
Gas sensors and gas detection instruments from Zhengzhou.
The product lines, as the company lists them.
Domestic Gas Alarms
The company says these warn and control when natural gas, LPG or CO leaks at home.
Industrial Gas Detection
Ranges from maintenance-free single gas detectors to fixed gas detection systems.
Alcohol Testers
Personal breathalyzers described as easy to carry.
Gas Sensors
Described as the core technology behind its detectors.
What the registry confirms, and what stays open.
Registry Check Open
A registry lookup on 2026-10-24 by the registered name returned no record in the commercial registry data source. The listing stays open — no registry facts are claimed.
Manufacturing Cluster
China sits in a dense manufacturing cluster; supply chains are close by. A cluster address is not a quality claim about any one company.
Company-Published Range
The product section and photography come from the company's own website (supplier-published, captured 2026-10-24), with per-image source URLs on file.
What Is Not Yet Verified
Registry facts, certificates and floor evidence are all open items — the business licence is the first thing to confirm at inquiry.
What was checked — and what the check found.
The registry lookup (2026-10-24, by registered name) returned no result — this page makes no registry-derived claims and stays at listing status · registry check open. Product photography is supplier-published with per-image source URLs on file. ChinaMakersHub does not restate a supplier's certificate validity on its behalf.
The company, listed as it is.
Hanwei Technology Group Co., Ltd. is based in Zhengzhou, Henan, and makes gas sensors and gas detection instruments, including domestic gas alarms, industrial gas detection equipment and breathalyzers. According to its Canton Fair exhibitor profile, its products and system solutions have been used in countries around the world, and its applications cover industries such as petroleum, chemicals, metallurgy, environmental protection and mining.
Exhibitor at the 140th Canton Fair · Phase 1 · Electronic and Electrical Products · Booth 14.3E08-09 (official exhibitor profile).
China context: a dense manufacturing cluster with supply chains close by. A cluster address is not a quality claim about any one company.
A registry lookup by registered name on 2026-10-24 returned no result; this page claims no registry facts and stays at listing status · registry check open. Photography is the company's own published material with source URLs on file. Contact routes through ChinaMakersHub.
Sources: official Canton Fair exhibitor profile (365.cantonfair.org.cn, retrieved October 2026); company website hwsensor.com (retrieved November 2026). Figures are as stated by the company and are not independently verified by ChinaMakersHub.
From registration to this listing.
Joins ChinaMakersHub
Onboards to the CMH factory directory with its 产品 catalogue published on its own website.
Applications, by buyer type.
Retail Programmes
Ranges quoted to the buyer's range plan.
Brand & OEM/ODM
Buyer-branded products built to specification.
Sourcing guides for this category
The 27-Point China Factory Audit Checklist
Product Inspection in China Before Shipment: A Buyer's Guide
How to Request a Sample from a Chinese Factory (Without Getting Burned)
What Documents to Request From a Chinese Supplier Before Your First Order
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Frequently Asked Questions
What does Hanwei make?
Domestic Gas Alarms, Industrial Gas Detection, Alcohol Testers, Gas Sensors, according to its official Canton Fair exhibitor profile and company website.
Is it a factory or a trading company?
That is an open item: the registry lookup by name returned no result on 2026-10-24, so this page claims no registry facts. Ask for the business licence and how production is organised at inquiry.
What certifications does it hold?
None were sighted at review, so none are claimed.
What did the ChinaMakersHub registry check find?
A lookup by registered name on 2026-10-24 returned no result — the page stays at listing status · registry check open.
Request a quote from Hanwei
Send your specification, drawings or target price through ChinaMakersHub. The inquiry goes to the factory with your requirements attached; quotes and samples are coordinated through your CMH contact.