At Sanli Tech, we aim to understand the scope of work properly in relation to choosing an appropriate tower and internals for particular chemical processes. Our documentation is an introductory course to External Internals that covers such topics as packed towers, tray towers, and other internals aimed at mass transfer improvement. We stress the crucial role of material, design and operational parameters of a selected product and seek to ensure that our clients make informed choices to achieve intended goals and do not exceed their budgets.