How do you do. Best Greetings from Susan, Shenzhen, China, and so sorry to bother you. 

Our company VAN Electronics is A Professional Manufacturer for Top Quality VR BOX for Android & iOS Mobile Devices with All-In-One VR Headsets. 

1) Now, here SZVAN PPT VR Box & All-In-One VR Headset Series.pdf is our company's PPT Introduction for VR Models. 
So, pls kindly note with check. 

2) Top Quality, Reasonable Prices & Best Services are always our company's mission. 
Thus, samples be welcomed to take for testing and welcome all of you to visit our Factory.

Then, any questions or helps you need, pls fell free to let me know. More information could be provided to you.

Meanwhile, pls also kindly say hello and take best wishes to your family for me.

Looking forward to hearing from your kindly reply. 
Have a wonderful day.

Many thanks. 
Best Wishes / Susan

Tel: 86-755-3310 2392  /  Fax: 86-755-2757 1286
Skype: sales.szvan
Add: Building A,  Huali  industry park, 28th district, Baoan, Shenzhen, China.