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KAPP NILES is a globally operating groupof companies with high-quality and economical solutions for finishing gears andprofiles. More than 1000 employees represent the innovative strength andexpertise of the sustainably managed family company which has grown for over120 years.
With production sites in Germany as wellas worldwide sales and service branches, we are responsive and reliable in all majormarkets. KAPP NILES is partner for companies from numerous industrial sectorsin the segments mobility, automation and energy.
The perfect interaction between machines,tools, and technologies enables the precise machining to a thousandthmillimetre and up to a diameter of eight metres.
Each system solution is individually optimised for customerrequirements and serviced by us throughout its life cycle. Highly accuratemeasuring equipment complements the comprehensive product range to ensure therequired quality.
KAPP NILES supports efficient and stableprocesses with innovative services and digital solutions.

Zhongyun Group, China Solution for Corrugate Pipe Machinery, is specialized in developing and manufacturing all models of high-speed extrusion line for PE/PP double wall corrugated pipe with more than 50 years experiences, from OD50mm to OD1800mm, from small conduits to large sewage pipes, and is the leading manufacturer of plastic pipe machines and enjoys a high reputation in China.
Today, Zhongyun Group has become a large enterprise which has more than 1000 employees and five production bases and R&D base, covering an area of 440,000 square meters with 500 sets of various kinds of machining equipments and inspection equipments, producing more than 1000 sets of plastic pipe machines.
Zhongyun Group is certified for quality system of ISO9001 and the products were certified by CE. We can offer a complete service on product design, manufacture and after-sales care.
As the top professional manufacturers of plastic pipe machines in China, Zhongyun Group has devoted itself to research and develop new technology on high-speed extrusion line for PE/PP double wall corrugated pipe: Consecutive pressure cooling water for mould blocks to get higher cooling efficiency and reliability. Moulds are compatible between different sizes of corrugator machines in a quite wide range.
Our products not only lead the domestic market, but also sell well in more than forty countries, such as Russia, Japan, Iran, Iraq, Romania, Kosovo, Morocco, Ukraine, Turkey, Poland, Egypt, Finland, Peru, Argentina, Kuwait and so on.
For more information on corrugated pipe machinery, please visit www.zhongyuntech.com.