For the official after-sales service of Shimadzu liquid chromatography instrument with high column pressure, you can call the official hotline: fixed-line users dial 800-810-0439, mobile users dial 400-650-0439. In addition, our company Jiangxi Bio mainly provides overall solutions for experimental instruments, consumables, spare parts and after-sales repair and maintenance, covering brands such as Thermofisher, Waters, Agilent, GE, Cytiva, Beckman. Our services include repair, rental, dust cleaning and maintenance, etc. We also have instruments and accessories like chromatography, mass spectrometry, spectroscopy, protein chromatography systems, capillary electrophoresis instruments, as well as chromatography application consulting services. If you have related needs, welcome to contact us.