DEAR LINDA, SAMPLE 12G. OF CEFAZOLIN SODIUM STERILE : END-USER SIAM PHARMA OK LINDA, FOR THIS BATCH THEY AGREE SAMPLE FOR QTY. 12 G. PLEASE SEND ASAP BY COURIES TO US, WE WILL PASS ON TO SIAM PHARMA WAITING FOR YOUR REPLY. THANK YOU AND BEST REGARDS, LEK