Qingzhou Suba Machinery Co., Ltd is located in downtown Qingzhou City, Shangdong

Province with convenient transportation and a beautiful environment. We have a strong

technical force with strong development capabilities . We specialize in the manufacturing of

different types of plastic extrusion production lines suing patented technology and cutting

edge materials.

  Suba company sets the word development trend in the plastic extrusion machine industry, by

our continuous technological innovation. We have been the leader of domestic double wall

extrusion production lines in China for many years.

  Our employees have all worked in this industry for many years. Especially our R&D designers,

engineers and equipment commissioning personnel. They have a very rich working experience

is their fields. Our main products include the following:90-250mm high speed inner

water cooling system double wall corrugated pipe production line,200-600mm and 200-

1000mm double wall corrugated pipe production line . We have an patented horizontal closed

loop recycling water cooling system and an imported controller system, we have many utility

model patents and invention patents. We  strive to better society with better quality products.