Please provide feedback to smida regarding the issue and we will assist you in investigating and resolving it.
Product after-sale guarantee period is 12 months, and we can provide free consumable parts within 1 year. And our professional pre-sale and after-sales department can respond you within 24 hours for any technical problems.
We can provide each product related video showing how to install and operate. If you have specific needs, we can also arrange engineer to the customer's company for equipment operation training.