quartz stone surface 1.Biggest Quartz Stone Group 2.20 Production Lines. 3. 5 subsidiaries. 4. 3000 PCS Production Description China Biggest quartz stone and equipment Group .20 automatic production lines with 3200 workers.We can produce 3000PCS per day with 20 lines.Can offer High quality with competitive price.Fast delivery and Strong packing.Various color available.Own production lines.15years ...