Alertech is a services company rather than a manufacturer,which provide the services and reliable products.

Factory is in Zhenjiang,eastern China, which produce the gas detectors fire alarms and accessories.

Mainland Marketing Centers are located in Shenzhen and Dongguan, which deal with the domestic market and arranging the transportation to overseas.

Overseas Marketing Center is in Hongkong, service for the international trading business.


Alertech Hongkong:


Tel: 00852-65372520 •Fax:00852-81690207

Add.: 11/F.,Front Block, Hang lok Building, 130 Wing Lok St., Sheung Wan, Hong Kong


Alertech Shenzhen:


Mob:0086- 18675576552

•Tel: 0086-0755-33164901 •Fax:0755-61673630

Add.: No.13 QiaoNan Road, Baoan Bvld, Fuyong Town, Baoan District, Shenzhen City


Alertech Dongguan:


Mob:0086- 18929207843

•Tel: 0086-0769-33313843 •Fax:0769-26627250

Add.:17/B, Building B,Trade&Economics Center, No.183 YunHe East, Guangchen District, Guangdong Province

OEM/ODM policy

OEM/ODM available. We are pleasured to make the OEM and ODM for you, logo or your new idea, we will try our best to make it, OEM requires 200pcs, if you need the samples, tooling may be charged.We will make the massive production after your comfirmation.

Price terms

Price terms: EXW / FOB HongKong / FOB Shenzhen / CFR/CPT/CIF destination

CIF=EXW+Freight From Factory to the Destinated Port+Insurrance+Customs Clearance+ Customs Inspection

In consideration of unconfirmed qty' and products, we may quote the price based on EXW term at the first reply usually.

Please notice: After a long time, the cost of freight and products would change,When you would place the order, please inquire us for the new freight at first.

Payment terms

Payment Method: T/T, Western Union, Comfirmed &Irrevocable L/C at sight

Sample: 100% T/T in advance.

Normal Batch: 70% T/T and 30% before shipment. You will get all updates of your order.From design , preparation, production to Transportation.

Bank Information: Bank of China, Guangdong Province

Time of Payment to account: Western Union is immediate, Transfer would take 3-4days.

Delivery time

Delivery time and Production time included. The lead time as below showed are for the usual situations.

•By ship: Within 20days:Outside of the Asia
•By ship: Within 15days: Asia area
•By air: 7-10days: To all areas
•Within 7days: Samples, transport by DHL, UPS or Fedex


Product Support and After Sales Services

For quick answers to common product support questions, contact us or MSN:


After sale services:

•Within 3months: Replace for free
•Within 1year: Maintainance for free
•Life long maintainance

Kindly note that the working range, home use detector is not suitable for installing in the industry area, which with the high requirements, the home use detectors are not designed for it. These areas include the chemical plant, ironworks, hotel kitchens, various factories..etc.

Services Hours are from 9:00 a.m. - 12:00 p.m. and 2:00 p.m. - 5:00 p.m. HongKong Time Monday through Friday (Except Holidays*)

Alertech Shenzhen Locations in Google map.