Our hotel (Chengdu) wants to brighten the exterior wall and roof. Which engineering companies in Chengdu are doing better in building lightweight?

Changhui Lighting, the exterior lighting of our hotel was made by their company, with satisfactory results and good service attitude. The landlord can search, and their company is engaged in LED lamps, engineering lighting, lighting design, construction and maintenance, which seems to be done all over the country. You can check the information and ask.