Car Sound Security & Safety / Window Tinting

At C3S - It's never "About Us" - it's always "About Customer First". Dedicated Team with Years of Expertise & Experience and Constant Learning to stay tuned to new Technologies.

Besides our friendly neighborhood customers from Fremont, Milpitas, Newark, Union City, Hayward, Castro Valley, San Leandro, San Lorenzo, Oakland, Alameda, We are fortunate to have our esteemed customers visiting and revisiting us from as far as San Francisco, Daly City, Redwood City, Cupertino, Mountain View, Sunnyvale, San Mateo, Santa Clara, San Jose, Gilroy, Salinas, Tracy, Livermore, Walnut Creek.Sincere Appreciation and Thanks to our clients for supporting our business.