Shenzhen Isource lighting Co., Ltd , https://www.isourceled.com
SmartWatt Energy conducted a series of equipment energy assessments including offices, loading docks, laboratories, warehouses and freezers, and then plans to replace energy-efficient T-8 and T-5 fluorescent tubes in most locations. There are lighting systems and LED lighting systems are used in all freezer libraries.
The energy-efficient lighting system built by SmartWatt Energy saves 783,481 kilowatts of electricity a year, equivalent to removing 1,175,222 pounds of carbon dioxide from the environment. 
SmartWatt Energ installs LED lighting system for Stewart's Shops for $78,000 annually
Stewart's Shops, a family and employee-owned convenience chain in northern New York, has reduced the cost of lighting by $7,800 per year after renovating its headquarters in Sarajega Springs, New York, and the project can be invested in 16 months. Cost recovery.