Innovation has been beginning since our foundation in 1963

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  1963, ZhongyunTech started its agriculture equipment business in Changyi city;

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  1981, ZhongyunTech entered the plastics machinery industry;

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  1993-1997, ZhongyunTech partnered with Beijing University of Chemical Technology to develop pipe production line and started to produce PE/PPR plastic pipe extrusion lines;

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  1999, ZhongyunTech has passed ISO9001 quality management system certification;

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  2001, ZhongyunTech successfully developed vertical PE double wall corrugated pipe extrusion line;

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  2003, ZhongyunTech successfully developed double-layer belling technology and became the first company that produce dual-wall belled end corrugated pipe equipment in the domestic market;

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  2004, the China's first vertical PE double wall corrugated pipe extrusion line was successfully developed, which can produce corrugated pipe of diameter up to OD1500mm;

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  2007, the China's first pipe corrugator with mould block parking station was successfully developed, allowing user to produce belled end corrugated pipe with any length;

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  2009, ZhongyunTech successfully developed the China's first high-speed corrugated pipe extrusion line that adopts pressurized water cooling method;

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  2017, ZhongyunTech successfully cooperated with a well-known domestic company by manufacturing and providing the China's first PE double wall corrugated pipe extrusion line (model ZC-2000H) that can produce double wall corrugated pipe of diameter up to OD1800mm, which was the largest diameter in domestic market at that time;

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  2019, the China's first hexagonal corrugated pipe was produced by ZhongyunTech's corrugated pipe machine;

• 2021, ZhongyunTech successfully developed the China's first PE double wall corrugated pipe extrusion line (model ZC-2000H) that can produce double wall corrugated pipe of diameter up to OD2000mm, which was the largest diameter in domestic market at that time;