Aliexpress
Click here… to search for ZX7-315 220V 315A Mini Welding Machine [EU] on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in Europe 
. I can’t tell you if this price is good – not enough records in my database, so I won’t judge. We have found one coupon for this product!
Link: Banggood product page
Coupon (93.49 USD): CityadsTool
(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): BGAFF10OFF, BGHONEY2110, 7bcdf9, BANGGOODSD, BG8a7644
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Well, you won’t see price history chart, coz we have only 1 database record for this item (and price was 56.69 USD).
You can set price alert (for Banggood).