Frequently Asked Questions

We mainly provide aroma diffuser, including ultrasonic aroma diffuser, Bluetooth/Wifi diffuser, natural material diffuser which made of glass, ceramic and bamboo, USB diffuser, USB humidifier, also we supply 3D LED lamp.

Yes, we support customize and welcome any new product developing based on your design or idea.

Yes, we can brand the product, package box with your logo. 

For standard product usually our MOQ is 500pcs, for the model we have ready item stock or material stock, we can lower MOQ to support. 

We accept payment via T/T (Bank transfer), Western Union, and PayPal.

Yes, for all product, we can provide sample for testing.

For sample, usually we can send out in 2-3 working days.

For regular order, we can finish in about 2 weeks, if you have customize requirements, the production time will be longer, about 3-4 weeks.

For all products, we provide one year warranty, for detailed warranty policy, please refer to SUPPORT>Warranty.

ISO9001, CE, RoHS, FCC, MSDS. 100% quality check before delivery.

10-30 days by sea to your nearest seaport,

5-7 days by air to your nearest airport,

3-5 days by express to your doorstep,

10-15 days by DDP shipping through sea or train, to your doorstep, with customs cleared and all tax paid, no need any extra cost.

Please contact us directly, if these answers cannot help you


Uma Electronic Technology  specializes in manufacturing and designing of ultrasonic aroma diffuser, we are committed to provide realiable quality product at affordable price. 


Add: No. 2013, South Building, Yinzhou Chamber Of Commerce, Ningbo, China
Tel: +86-574-56113933
Fax: +86-574-56113944
Email: info@umatech.cn