J-One LTD Address: Hoang Ninh Commune, Viet Yen District, Bac Giang Province Enterprise code: 2400533581 Phone: 0915198384 Representative: Jeong Daemin Adress: Hoang Ninh Commune, Viet Yen, Bac Giang Province Hoang Ninh Commune, Viet Yen District, Bac Giang ProvinceFounding date: 22 - 12 - 2010