Dear Sir 
We are in need of the following item on long time business 
Product name       : Potassium Feldspar 
Specification        : SiO2     65% min 
Al2O3   16%~18% 
Fe2O3  0.5% max. 
Na2O2  0.3%min. 
K2O      15% min. 
+ (size >=0,8mm): none 
+ (size >=0,5mm): <= 5% 
+ (size: 0,1mm - 0,5mm): >= 60% 
+ (size <0,1mm) <=35% 
- Moisture: <= 1% 

Quantity: 600MT per month 
Payment: by irr. L/C at sight 
Destination port: Haiphong port Vietnam 
Price term: CIF Haiphong port, Vietnam 

Please quote us your best CIF Haiphong price 
Thank you 

Best regards