According to the number of detectors to choose the controller’s type.

4-20mA signal: 3-wire , RVVP3*1.0mm² .
Modbus 485 signal:  4-wire, power wire -RVV2*1.0mm², signal wire -RVVSP2*1.0mm²

The product’s price shall be set according to the required function.

Brand supply, responsive, good quality, fast delivery, long life.

MOQ: 1PCS, leading time: 3-7 days, also accept the trial order.

Yes. you can. OEM ODM services are welcome.

We are glad to offer you samples. After you pay the sample charge and send us confirmed files, the samples will be ready for delivery in 3-4 days. The samples will be sent to you via express and arrive in 7-9 workdays.

We are a professional manufacturer of gas detector, We also cooperate with other factories.

You can send us inquiry by Email or WhatsApp.
We usually quote within 12 hours after we get your inquiry. If you are very urgent to get the price, please call us.
T/T would be better with quick transfer, safe and few bank fees. Western Union and PayPal are acceptable.

Great production capacity. We have own comprehensive factory management system and production flow. We can support product OEM&ODM, and also the package according to your requirements.
Competitive price and international standard quality. We can provide a favorible factory price and agency price if you want to be our agent. And we have acquired CNEX, SIL, ISO,CE certificates which is professional certification in gas detector area.