Chongsheng is a company specializing in producing various seamless steel pipes. It is located in Cangzhou,a famous historical city bordering Jinan in the south and Beijing and Tianjin in the north,enjoying a favorable geographical location and easily accessible with many railways and highways running through Cangzhou from north to south ,such as Beijing-Tianjin Express Railway,Beijing-Shanghai Railway,Beijing-Fuzzhou Expressway,and No.104 and 307 National highway.