![](https://www.gongwong.com/file/upload/2020/0804/002/000238901.jpg)
We get first graphene power bank since 2017.
Now we have the world most powerful power bank. Input 100W and total output 150W.
2019 we start R&D GaN charger. And we get the 200W 100W 60W GaN charger smallest size in the world. Which can charge for phones and laptops.
Our car charger can be QC and PD fast charge. Cable is 5A cable.
We also can customized transformers for all electronic machines.