Dong Van 1 Industrial Zone, Duy Tien district, Ha Nam province

Tien Son Industrial Park, Tien Du district, Bac Ninh province

Hoa Xa Industrial Zone, Nam Dinh City, Nam Dinh Province

Huong An commune, Que Son district, Quang Nam province

Phuc Ung commune, Son Duong district, Tuyen Quang province

Hoa Xa Industrial Zone, Nam Dinh City, Nam Dinh province

Cam Thuy commune, Le Thuy district, Quang Binh province

Yen My Town, Yen My District, Hung Yen province

Phu Bai Industrial Zone, Thua Thien Hue province

Xuan Lam commune, Thuan Thanh district, Bac Ninh province

Tien Phong Commune, Me Linh district, Hanoi City