USD $15.00-20.00 / Gram
USD $3.00-10.00 / Kilogram
USD $3.00-10.00 / Kilogram
USD $3.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
1. good raw material
2. leading technology
3. professional service
4. favorable price
5. perfect quality