Nantong Sanzhong Pipeline Co., Ltd. is located in Hai'an County, Jiangsu Province. The transportation is very convenient. Our company is about two hours' drive far away from Shanghai Hongqiao International Airport, Shanghai Putong International Airport and Nanjing Lukou International Airport. Our company is specializing in producing galvanized pipes, welded pipes, greenhouse pipes and other pipes. We can also process steel pipes according to our customers' orders. Our products are ...