Ningbo Shengzi Machine Manufacturing Co., Ltd is an import and export company witch specialized in producing stainless steel ripple pipe. It carried out the management mode of ISO 9001 international
quality system strictly and it had taken out four patents. We have a production capability of 10 million meters yearly and we got the certificate of safe register class A and B on pressure pipeline fittings in 2003. We have superior technology and high quality standard materials so we supplied flexible, excellent chemical resistance, safe and longevity goods. The products are mainly sold to Japan and Europe etc and received lots of their admiration.