Weifang Zhongyun Machinery Co.,Ltd is a hi-tech private enterprise with more than 40 years experiences of manufacturing high quality plastic pipe equipment. Its leading brand "YUNOU" is the only recognized "Chinese Well-know Mark" in plastics machinery industry. ZHONGYUN's products cover extrusion line, pe solid pipe production line, steel-strip spiral pipe production line, double wall corrugated pipe production line and so on. Has certified for quality system of ISO:9001. It can offer a complete service on product design, manufacture and after-sales care. Zhongyun has received many awards in recognition of its use of advanced technology and superior management.