For over 30 years, Restek has been designing and manufacturing gas chromatography columns. From fused silica to metal MXT, from PLOT to packaging, Restek can provide various general and special GC columns; And since 1996, Restek has developed and manufactured liquid chromatography columns! Therefore, we have an excellent product line for customers to choose from! Guangzhou Green Baicao is an authorized agent of Restek brand. When purchasing Restek products, you can directly contact Guangzhou Green Baicao for more guaranteed quality and after-sales service! Shimadzu's gas chromatography comes standard with Restek's gas chromatography column, which provides a higher cost performance ratio compared to Guangzhou Green Grass! Ultra series liquid chromatography column Ultra liquid chromatography column uses high-purity B-type silica gel, suitable for separating acidic, neutral and alkaline compounds, with good peak shape, high reproducibility and stability