Dear Malacca [Expansion joint] customer, thank you for visiting Innovation pipeline official enterprise website! Over the years, Malacca Waterproof casing honest cooperative enterprise Zhongyuan valve fittings Malacca Expansion joint overseas online promotion website has insisted on taking research and development as the basis of survival, and has continuously improved the application of new technologies in [Expansion joint] products! Thank you to international friends for paying attention to Made in China！ If you want to know more about the application of [Expansion joint] product new technology in practice, please call Innovation pipeline [Expansion joint] technical engineer to learn more first-hand information!