ESP8266 WiFi phototransistor temperature and humidity pressure sensor

FAQ
(1) How can l place order?
A: You can contact us by email about your order details, or place order on line.

(2) How can l pay you?
A: After you confirm our Pl, we will request you to pay. T/T(HSBC bank)and Paypal, Western Union are the most usual ways we are using.
(3)What's the order procedure?
A:First we discuss order details, production details by email or TM.The we issue you anPI for your confirmation.You will be requested to do prepaid full payment or deposit before we go into production. After we get the deposit,we start to process the order.We usually need 7-15days if we don't have the items in stock.Before production has been finished,we will contact you for shipment details, and the balance payment.After payment has been settled, we start to perpare the shipment for you.
(4)How do you take care when your clients received defective products?
A:replacement.lf there are some defective items,we usually cerdit to our customer or replace innext shipment
(5)How do you check all the goods in the production line?
A:We have spot inspection and finished product inspection.We check the goods when they go into next step produsc-tion procedure.