Aliexpress
Click here… to search for Handheld Electric Sewing Machine on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. CouponsFromChina software could not find any coupon for this product in Banggood.
Link: Banggood product page
Price: -3 USD
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Old coupons (from the oldest to the newest): vipupgrade8, TTxBG10, aff7off, bgssaff9, AFfbG10, affbg10, BGHK215, BG1138704, 502C6B, BGBFAFF2019, BGCITYADS2019, BGVDay10%off, BGHOMEG12, BGBX526, BGAFF10OFF, BGts99d, bGhOnEy10, BGdragonBoat, BGSS10%SW, bgshOOp10, BGHome15%, BGHOMEA15%, BgcLuBofErtA10, BGXPDE70, BGBTJUDR5, BGCuponation10, 13f142, BGHONEY2110, BG10OFFAFF, BGwhielabel, BG10OFFAFF1, BANGGOODSD, 00c906, BG00c906, BGAlerabat1
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Here is price history (for all/most countries) for Handheld Electric Sewing Machine.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).