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Beijing Zhongheng'an Technology Co., Ltd
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    Room 1606, Block C2, Yicheng Building, No. 11 Changchun Bridge Road, Haidian District, Beijing
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Alarm maintenance service
The main characteristics of alarm maintenance services include application areas, technical parameters, product manuals, and qualification certificate
Product details
Alarm maintenance service
Main Features Application field Technical Specifications Product manual download Qualification Certificate

1、 The job responsibilities of technical services

1. Regular inspection of on-site fixed instruments: Regularly inspect, repair, and record the operating status of various point detection equipment, the use of vulnerable and consumable parts, etc., and prepare reports and preventive maintenance plans.

2. Calibration service: Fixed instruments are calibrated once every quarter, and the performance of the instruments and systems is debugged and recorded; Portable instruments should be calibrated every six months or one year to ensure stable and reliable performance.

3. Maintenance services: calibration and replacement of various combustible and toxic portable alarm devices, and establishment of a complete work log.

4. Verification service: Handle the verification work of fixed and portable flammable and toxic alarm devices on behalf of others, and issue certificates.



2、 Our maintenance plan

Product delivery to factory for repair:

1. Products within the company:

Warranty period: Free provision of various maintenance services and spare parts.

Out of warranty period: free testing, cost replacement of parts.

2. External products:

Provide free testing and inspection, propose reasonable and economical maintenance plans, and reduce enterprise costs.

On site inspection and maintenance services:

The company will send experienced engineers to customer sites to provide technical support and maintenance for gas detection products, ensuring safe and stable operation.


3、 Our repair process


4、 Our clients

Sinopec, PetroChina, CNOOC branches in various regions, China National Chemical Corporation, metallurgical and chemical industry users, etc




5、 Our performance



6、 Repackable instruments (including but not limited to)





7、 Product Quality Assurance&After sales Service Commitment

The company has a professional team of technical personnel responsible for technical support and pre-sales and after-sales services, providing users with free technical training on the use, maintenance, and other aspects of the purchased products.

Our company will provide free training for operators and free debugging. If the instrument is damaged due to non-human factors during the warranty period, our company will repair or replace it free of charge.

The quality assurance period for the supplied equipment is 12 months from the date of SAT on-site acceptance of each device in the purchase order.

Our company promises fast service: free on-site repair and replacement of defective equipment or components within 24 hours after receiving notification from the user, and repair or temporary provision of alternative models within 2 days.

Lifetime maintenance of the product and timely provision of spare parts.

Provide a complete set of technical documents.

Regularly follow up with customers according to our company's after-sales service regulations to solve any problems that may arise during their use.



8、 Our abilities




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Successful operation!

Successful operation!

Successful operation!