Soracom Mobile 
Soracom Mobile's prepaid data plans cover more than 50 countries across the world. Their well-designed app allows you to install an eSIM with one tap, without QR codes. Currently available on App Store in UK and Japan.
Official Website
Promo / Coupon code
GET CREDIT
CHINA Also Covered By
22 data plans offered
4 data plans offered
9 data plans offered
44 data plans offered
29 data plans offered
18 data plans offered
4 data plans offered
21 data plans offered
27 data plans offered
6 data plans offered