You can create price alert here, copy coupons and view price history. You probably want to know what is the best price?
4 Cores/8 Threads (Total L2 Cache 2MB, Wifi: M.2 2230 WIFI Support Intel® WIFI6 AX200 2.4G 5G, DisplayPort(4K@60Hz), CPU: AMD Ryzen™ 7 3750H, Support HDMI 2.0(4K@60Hz), Bluetooth: bluetooth 5.1, little noise during operating and plays 4K video smoothly, Total L3 Cache 4MB, ROM: M.2 2280 512GB PCIe SSD, up to 4.0 GHz), Support 3 monitors 4K@60Hz display, Base Clock 2.3 GHz, Built-in Silent Fan, USB-C Port(4K@60Hz), Operation System: Windows 10 Pro, Storage Expansion: 1x 2.5 inch SATA HDD Slot (SATA 3.0 6.0Gb/s); Dual channel SODIMM Slotsx2, RAM: DDR4 16GB, Ethernet: Gigabytes LAN RJ45x2, GPU: Radeon™ RX Vega 10 Graphics (Graphics Frequency 1400 MHz)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in Hong Kong. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
1. ($619.99): BGUM700512G
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGUM700512, 7bcdf9, BGUM700CR, BGUM700R7, BG18742e, BG5eaa43, BGb2882a, BGaa1c08, BG096e14, BG6ec82c
(there’s a little possibility that old coupon will work)
Price history and price alert
Do you need price history chart (for all/most countries) for Minisforum UM700 Ryzen 7 3750H 16/512GB Mini PC? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).