Xinglong Li

• Provide field technical support for Charles River Endosafe and Celsis rapid microbiology platforms, including troubleshooting, preventive maintenance support, application guidance, service coordination, and customer training. • Support installation, calibration, technical troubleshooting, and customer requirements for endotoxin and microbiology testing workflows. • Respond to customer URS and service requirements, translate user needs into technical actions, and coordinate internal resources. • Built and

• Provided after-sales technical support for ÄKTA Process, ÄKTA Pure, and ÄKTA Avant chromatography systems, including installation, maintenance, troubleshooting, customer training, and service follow-up. • Diagnosed hardware, fluid-path, electrical, sensor, and UNICORN/software-related issues; coordinated corrective actions, spare parts, and preventive maintenance plans. • Managed customer communication through WeChat, email, and phone, followed up service cases and applied DBS tools to improve service con

• Provided after-sales technical support for ÄKTA Process, ÄKTA Pure, and ÄKTA Avant chromatography systems, including installation, maintenance, troubleshooting, customer training, and service follow-up. • Diagnosed hardware, fluid-path, electrical, sensor, and UNICORN/software-related issues; coordinated corrective actions, spare parts, and preventive maintenance plans. • Managed customer communication through WeChat, email, and phone, followed up service cases and applied DBS tools to improve service con

• Optimized recombinant E. coli BL21(DE3) fermentation processes, including culture conditions, induction parameters, fermentation control, and scale-up adjustments. • Supported expression, harvest, and purification process development for recombinant proteins, improving target protein yield by approximately 33%. • Conducted data recording, process analysis, troubleshooting, team coordination, employee training, and GMP/GLP/GDP documentation.

• Optimized recombinant E. coli BL21(DE3) fermentation processes, including culture conditions, induction parameters, fermentation control, and scale-up adjustments. • Supported expression, harvest, and purification process development for recombinant proteins, improving target protein yield by approximately 33%. • Conducted data recording, process analysis, troubleshooting, team coordination, employee training, and GMP/GLP/GDP documentation.

• Performed microbiological, physicochemical, and production-environment testing; prepared quality records and ISO9001-related documentation.

Molecular biology Cell biology Fermentation engineering Protein engineering Biochemistry Statistic

Molecular biology Cell biology Fermentation engineering Protein engineering Biochemistry Statistic