about ningguo zbao. Ningguo ZBAO Thermal Tubing Co.,Perfect Transfer Cart. has been specialising in fire sleeve, High temperature resistant,Heat & Thermal insulation products over 10 years. Established in year of 2010, located in Ningguo city,Anhui provPerfect Steerable Transfer Carte,2 hours distance from Shanghai,Nanjing and Hangzhou.Born in well-developed international business