FAQ :

Q1: What’s the Lifespan of Grinding and Polishing Machine Supplies？

1, Sanding blanket : one blanket can be used for polishing 500pcs phones

2, Scroll Wheel : can use for 3–6 months , change it when it is worn out

3, Oleophobic oil : each bottle 20ml can use for 50pcs phones

4, Waterproof glue : one bottle for 20pcs phones
5, Powder : one bag for 500g , for 500pcs phones around

Q2: What is the monthly cost of supplies?

The cost of supplies depends on the quantity of the phone that needs to be grinded and polished. Jiutu offers the following preferential packages based on the current quantity of supplies ordered by customers.

Q3: What does the after-sales service include?

The warranty period of the grinding and polishing machine is 1 year. If any module of the machine fails, Jiutu will replace the new module for free!

Q4: Is it difficult to make the phone waterproof with adhesive?

It is not difficult. A video tutorial will be sent to customers who have purchased the machine. Additionally, in order to improve efficiency of gluing, we have automatic glue dispenser machine on sale also , pls contact us for more details

Q5: The glass lens will be become thinner after polishing and grinding, will it affect daily use?

A: Only a very thin layer is removed, which does not affect daily use at all, but oleophobic coating needs to be applied for hydrophobic effect.