Aliexpress
Click here… to search for BIQU Thunder Advanced 3D Printer on Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – BIQU Thunder Standard 3D Printer (-3 USD)
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. Only one coupon available!
Link: Banggood product page
Coupon (464.99 USD): 7d18f7
(CouponsFromChina.com tip: paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): 5232e8, Wholesale20, TTxBG10, 4e4e0d, bGpAnDacHeCk, Email5, BG3a9173, BG3DP09B
(these coupons are old, so probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – BIQU Thunder Standard 3D Printer (-3 USD)
Price history and price alert
Price history (for all/most countries) for BIQU Thunder Advanced 3D Printer is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).