Welcome to Shenzhen Sumring Technology Co., Ltd.
+86 136 7899 9834 info@sumring.com
EN

NEWS

Home NEWS
22
2024-03
Take Action Now, Prevention Carbon Monoxide Poisoning
Take Action Now, Prevention Carbon Monoxide Poisoning
17
2024-03
Silent killer, not home CO detector opponent ！
Silent killer, not home CO detector opponent ！
home co detector
12
2024-03
How to daily maintenance of carbon monoxide leak detectors ?
How to daily maintenance of carbon monoxide leak detectors ?
06
2024-03
Do you know the theoretical knowledge of conventional control panel ？
Do you know the theoretical knowledge of conventional control panel ？
01
2024-03
what devices working together with conventional fire system ？
what devices working together with conventional fire system ？
26
2024-02
What is a Bus-type (system) automatic fire and alarm systems ？
What is a Bus-type (system) automatic fire and alarm systems ？
20
2024-02
Why do you need a fire safety panel in your building ?
Why do you need a fire safety panel in your building ?
20
2024-02
what buttons of fire fighting control panel that need to push ？
what buttons of fire fighting control panel that need to push ？
20
2024-02
which fire alarm system panels are suitable for your needs ？
which fire alarm system panels are suitable for your needs ？
06
2024-02
What is difference between an fire alarm annunciator panel and control panel ？
What is difference between an fire alarm annunciator panel and control panel ？
22
2024-01
What Is A Mains Heat Detector ？
What Is A Mains Heat Detector ？
16
2024-01
Can a smoke detector be alarmed by heat ?
Can a smoke detector be alarmed by heat ?

Let's Discuss Your Project

Contact us for quick advice, and to meet your needs with maximum efficiency!

    1. How long it will takes to delivery ?
    Typically, small items shipped via air freight take 5–7 days, while large items shipped via sea freight take 30–50 days. These timeframes may be subject to delays caused by force majeure factors, such as adverse weather conditions and public holidays.
    2. What payment methods does your company accept?
    Typically, we support payment methods: T/T, L/C, Western Union, D/P, D/A, and PayPal.
    3. How long is the warranty time of the products?
    The warranty period is 2 years from the factory,if there are individual quality problems, we will replenish the customer in the next batch of orders.