We are professional battery factory located in Shenzhen.

1,As materials arrival,we will test the capacity .Normally we will choose 100pcs for testing .

2,Second we will testing the voltage 

3,Third we will weld the pcb board.

4,Forth we will weld pcb with battery

5,Fifth we will inject the battery to the injection machine.

6,Six we will test the over-charging protection and over-discharging protection it is normall or not.

7,Seventh we will cover the label or use automatic label machice for coving label .

8,Eighth we will check the label in right place or not.

9,Ninth we will pack goods according to customer"S requirement or air shipping or see shipping .

10,Tenth we will put the mark on the carton. This is our all production process.

Our working time is from 10:00am to 12:00AM. After we receive your message we will give responsing within 24 hours.

SHENZHEN ZHAOFENGDA TRADING CO.LTD was founded in 2015. Our company researches, develops, and produces mobile phone batteries and power banks. Our goods are sold to Europe, America, Middle East, Southeast Asia etc. Our firm accepts OEM and ODM orders.