According to relevant information, some domestic suppliers of used high-performance liquid chromatography-mass spectrometry (HPLC-MS) instruments do provide after-sales repair services. For example, some suppliers offer instrument renovation, maintenance, installation and after-sales service, while others integrate services such as sales, application support and repair. If you are in need of professional after-sales repair and maintenance solutions for HPLC-MS and related laboratory instruments, you can consider 匠析生物. Our main business includes providing overall solutions for laboratory instruments, consumables, spare parts and after-sales repair and maintenance, covering brands like Thermofisher, Waters, Agilent, GE, Cytiva, Beckman, etc. We offer services such as repair, rental, dust cleaning and maintenance, and also provide chromatographic application consulting services to meet your diverse needs for instrument use and maintenance.