Complex sentence: With its new manufacturing capabilities, Crystal continued to expand through the late 1970's and 1980's They specialized in fountains for malls and other indoor spaces, focusing on selling water feature components and design services to predominately Canadian customers.
Split into simpler sentences: With its new manufacturing capabilities, Crystal continued to expand through the late 1970s and 1980s. Crystal specialized in fountains for malls and other indoor spaces, focusing on selling water feature components and design services to predominately Canadian customers.