Purchase Qty. Reference FOB Price
5-499 kg US$4.00
500-4,999 kg US$3.00
5,000-9,999 kg US$2.50
10,000+ kg US$2.00
Product Description
Product Description Black tourmaline can produce far-infrared wave band, producting negative oxygen ions, and it has antibacterial and deodorizing effect. containing many indispensable trace elements in the body, such as copper, zinc, iron and so on. So it can be widely used in water ...