Submarine Cable System Market Size and Forecasts (2020 - 2030), Global and Regional Share, Trend, and Growth Opportunity Analysis Report Coverage: By Services (Installation Services and Maintenance and Upgrade ), Cable Capacity (Less than 10 Tb/s, 10-20 Tb/s, 20-30 Tb/s, and More than 30 Tb/s), Application (Communication and Energy & Power), and Type (Single-core and Multi-core)