1. Are you a manufacturer or trading company? 

DYP is a manufacturer, our factory approved by ISO9001:2008, ISO14001:2004 standard. 

2. Does your products can be ODM or OEM? 

Yes, we provide ODM/OEM services, we can customize the product according to your requirement, after estimated by our R&D team, we can build the product you need on the basis of existing products, or build a brand new product. 

3. What's warranty of your product? 

We provide 1 year warranty, any defective items, please send back to us, we will repair/replace for you. 

4. What is the terms of payment? 

For the sample order, we suggest place order on alibaba directly. For the large order, we accept TT or LC. 

5. Do you provide technical support? 

Yes, we have our own R&D department, we can provide you technical support at any time. You can call us or write email to us. 

6. How to choose the right ultrasonic sensor? 

First of all, clarify the installation conditions:

   a. Medium to be measured;

   b. Installation location; 

   c. Measurement range;

   d. Measurement accuracy;

   e. Sensor resolution;

   f. potential interference;

   g. Whether vessels has pressure.

Select the corresponding series of products according to the medium, and then select the product suitable for the conditions according to the Range, Accuracy, Angle etc parameters. If there is no suitable one, we also provide OEM/ODM services, please contact us.