We, Shijiazhuang No. 4 Pharmaceutical Co., Ltd. is established in 1948, specializing in the manufacture of large volume Intravenous Infusions, is one of the largest manufacturers in China. The total staff number is 1, 200. For our main product of large volume I. V. Infusion, there are 12 GMP approved production lines with the dosage of 1000ml/500ml/250ml/100ml/50ml, etc. here is our email : wangxl (at) sjzsiyao (dot) com