Ngoc Diep Trading & Production Company has invested for construction of its factory at Pho Noi A Industrial Park, Van Lam District, Hung Yen Province, on area of 40,000 m2 with minimum capacity of more than 500 m2 of various types of door/window plate per day and per manufacture line.

Products branded NgocDiepWindow are manufactured on production line equipped with modern machines and equipment made in Germany, Japan, Italia, and managed according to ISO 9001 and ISO 14001. They all meet international standards as well as Vietnam national standards such as TCVN 7451-2004, TCVN 7452-2004 and QCVN 16:2014.