what company makes jintropin?
<answer> GeneScience Pharmaceutical Co, Ltd <context> Jintropin is one of the most potent recombinant Human Growth Hormones on the market today. It is a proper 191 amino acid sequence Somatropin (natural to human body) and is produced by GeneScience Pharmaceutical Co, Ltd. According to IMS, an internationally recognized marketing firm, Jintropin is the absolute market leader in China with just over 75% of market share. It was first introduced in 1997 when it was the first somatropin brand produced in China.