... line is acirclesystem, with an overall length of 60 meters,including foaming system, cement deliverying system, blending system,ingredient system,casting and ... as welding cut bit, acetylene gas and oxygen and gas pipe etc.2.2 We ... the whole working line,we help to install the work line and ensure it operate ... offer the specification,instruction and orignal certificate for the work line.3.4 Warranty:one ...