Raw Material Control
We select top-quality quartz sand from all over the world and adopts strict quality traceability system, which guarantees the reliable quality of quartz stone slabs form the very origin. Our raw materials comply with the environmental protection criteria, and the produced slab are approved by authoritative departments and thus the reliable quality of JINZHAO products is guaranteed.
Every slab is produced and inspected with strict standards to meet all the technical specifications in the world’s leading manufacturing.
Inspection and Control
Our pickiest quality control team always make sure every single slab is top grade in quality.
We check the details of slab not only front side but also back side to make sure every piece alone is a fine art before deliver to you.
Our slabs got quality confirmation from all over the world customers.
After Sales Service
All our products are backed by 10-years limited warranty.
1. This warranty applies only to JINZHAO quartz stone slabs purchased at JINZHAO NEW MATERIAL CO.,LTD factory not any other third company.
2. This warranty applies only to JINZHAO quartz stone slabs without any install or process. If you have problems, firstly pls take more than 5 pictures including full slab front and back sides, detail parts, our company stamps on sides and others.
3. This warranty DOESN’T cover any visible defect by chips and other excessive impact damage at the time of fabrication and installation.
4. This warranty applies only to JINZHAO quartz slabs that have been maintained according to JINZHAO Care & Maintenance guidelines.
Quartz sand sample
Colored quartz sand