Shenzhen Yongcheng Optoelectronics Co., Ltd.Company address：West District, Furong 5th Road, Baoan District, Shenzhen City, Guangdong Province The third factory building post code：518109 Telephone：134 1755 5480 (Same number on WeChat)fax：0755-29455315

URL：www.ycg-led.com

After-sales service hotline：18822826763 / 18811871767 (same number on WeChat)

South China Office: Shenzhen

East China Office: Jiangsu

Central China Office: Chengdu

North China Office: Hebei

Full nationwide coverage, rapid service provision