Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (56.09 USD): BGherra
Coupon (56.09 USD): BGWELDTOOL
(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): BGZX72, TS15prime, BGAR18, BGZX7200, BGWelder20, BGWelder220, BG2020NS, BG22SP, BGZX7220, BGZX220, bGhOnEy10, BGPTOOL, BGoh22, BGPToo15, BgcLuBofErtA10, BGc0c7bd, BGWEEK8
(there’s a little possibility that old coupon will work)
Price history and price alert
Here is price history (for all/most countries) for ZX7-200 220V 200A MMA Welding Machine.
Price records source(s): Banggood
Click on image to enlarge.
You can set price alert (for Banggood).