... and flurry Inner diameter:800mm or as your requestLength:1000mm or as your requestSealing:Socket>Rabbet>Flat Socket Flat ... our concrete pipe making machine,please tell me the following informations,thanks for your cooperation:...1,the pipe length2,the ... others machines?6,Operating environment7,Any other requests?Please tell me your need,meantime,warmly welcome to our industry........... Automatic pipe ...