Tellgen corporation( stock code: 300642) is a public company specializing in the development and manufacture of multiple biomarks and high throughput platform of in vitro diagnostic products. The company was founded in 2003 and headquartered in Shanghai Zhangjiang Hi-Tech Park. The Tellgen Corporation focuses on tumor markers detection ,provide total solution from screening to prognosis evaluation related products for customers. The methodology platform employed including immunofluorescence, chemiluminescence immunoassay and multiple fluorescent PCR, mass spectrometry, etc.