ZONESTAR Z6 3D Printer (Banggood, Aliexpress: Language: English, LCD Screen: Yes, Chinese, G-code, Material diameter: 1.75mm, Portuguese, Nozzle temperature: 170-275 Degree, Nylon PVA, Nozzle diameter: 0.4mm, Z-axis positioning accuracy: 0.0025mm, Product forming size: 150X150X150MM, Supporting material: PLA, Layer thickness: 0.1mm, Spanish, Memory card offline print: TF card, File format: STL, OBJ, Model supporting function: Yes, XY-axis positioning accuracy: 0.012mm, Print speed: 0-100mm/s (the best price with coupon)).
You can create price alert here, copy coupons and view price history. You probably want to know what is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. I found coupon for you. Check this out.
Link: Banggood product page
1. ($172.11): 13f142
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): 7bcdf9, Email5, bGpAnDacHeCk, BG3DP09B, 7d18f7
(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
Price history (for all/most countries) for ZONESTAR Z6 3D Printer is here. The lowest price was: $118.99.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).