Where is Huang, the chairman of doors and windows?

People from Rongcheng District, Jieyang City, Guangdong Province. Doors and windows belong to Foshan Derris Home Technology Co., Ltd., and the chairman Huang is from Rongcheng District, Jieyang City, Guangdong Province. Zheng Jin, also known as Zejin Zheng Jin Doors and Windows, was established in 2008 and is headquartered in Songgang Shashui Industrial Zone, Shishan Town, Nanhai District, Foshan City.