We have a high quality team to provide you with pre-sale service，our contact information:
How to Choose and Purchase the Products You Need
If you have any questions about the products you choose, you can call our salesman. DIFFUL has a high-quality pre-sale service platform. We can customize special models according to your needs, and also can do OEM for you.
Samples can be provided for you.
If you want to know about our products, as well as the comprehensive status of product performance and materials, we can provide you with samples for your reference.