| Specifications | 150 * 70 * 0.28mm, rounded corners without holes/holes |
| meet the standard | GB/T 2520 |
| Surface preparation | GB/T 9271 |
| Surface Mass | Level I |
| Hardness grade | T52 |
| Film thickness | 0.28mm |
1. For product quality problems caused by non-human products of instruments and equipment, the manufacturer will provide free warranty services during the warranty period;
2. There is no warranty period for fragile and consumable parts, and if you find product quality problems after receiving the goods, please apply for return and exchange within 7 days, and you will not wait for the overdue ones;