The production line is developed with the 1990s advanced technology of West Europe by our company. The main machine is SJSZ51/ 105. SJSZ55/ 110 or SJSZ65/ 132 conical twin-screw extruder, is equipped with double-tube single-control stainless steel spraying shaper to form a production line. It avoids a waste condition when one tube is adjusted and the other one is affected. The auto single-control double haul offs and cutting are combined with the front shaping technology to make operation more flexible...Let you enjoy economic benefit which is brought about by separately control double-tube extruding. The diameter of the extruded pipe is from& Phi; 16-& Phi; 50 & Phi; 20-& Phi; 75. It can fully use of the extruding capacity of the extruder. Even if it produces small diameter pipe, it can get great output, too.