Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. There is one great coupon!
Link: Banggood product page
Coupon (287.93 USD): BGGines
(CouponsFromChina.com tip: apply it in your cart 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): 70e28c, 502C6B, e2bcea, TTxBG10, aff7off, TOOLS15, TS15prime, Tools1, BG2020NS, BGherra, bGhOnEy10, BgcLuBofErtA10, BG592dca
(probably won’t work, but you can try them out)
Price history and price alert
Price history (for all/most countries) for WOYO 900W Rusty Nut Screw Remover is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).