Yes, We are SENSOR manufacturer and exporter in china with 10+ years experience and with the factory authorized by SGS.

Yes, we can offer OEM service and design the logo marking for you. But the minimum quantity is 10pcs for the first order.

Sorry , we do not offer free samples .  You should pay for the samples and freight cost.

You can pay us by T/T , PayPal , and West Union.

It is in 6-8 working days since the payment confirmed . If quantity is more than 100pcs /order, it will need extra 3-5 working days.

Goods will be sent by DHL / FEDEX / UPS / EMS / TNT / or other proposed forwarders.

Our service is free exchange within three month and 12 months quality guarantee.

Yes, you are welcomed. But before that, we will do the visiting investigation.