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.
Aliexpress
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Here are coupons that you can use.
Updated:
Banggood
Warehouse in China.
Link: ZONESTAR Z6 3D Printer
$172.11 with coupon: 13f142
Additional Banggood coupons:
1. First page
2. Second page
Price history and price alert
Do you need price history chart (for all/most countries) for ZONESTAR Z6 3D Printer? There we go. 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)).