The vast sea of people, grateful to meet! Bertua Hello, you are currently browsing a physical enterprise focusing on Expansion joint products! Quality is our business. We understand that the reliability of your product depends not only on the product you buy, but also on the quality and commitment behind that product. Bertua Transmission joint Expansion joint product supplier--Zhongyuan valve fittings has cultivated the Bertua market for many years, and has continuously improved the application of new technologies in [Expansion joint] products! Bertua friends call Innovation pipeline [Expansion joint] technical engineers to learn more about the application of [Expansion joint] product new technology in practice.

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HENAN, CHINA
Gongyi City, Henan Province, China
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There are many historical and cultural heritages in China.
Zhongyuan valve fittings believe these cultural stories with a long history are attractive enough to make Bertua friends interested in Chinese pipeline expansion joint, pipeline power transmission joint, rubber joint products.



One of the world's famous cultural heritage sites:


The Ancient Canal in China, also known as the Grand Canal, is a man-made waterway that stretches over 1,700 kilometers from Beijing in the north to Hangzhou in the south. It is considered to be one of the greatest engineering feats in Chinese history and was constructed in sections over a period of more than 1,000 years, starting in the 5th century BC.



Today, the Ancient Canal in China is a popular tourist attraction and a UNESCO World Heritage site. Visitors can take boat trips along the canal, explore the historic cities and towns along its banks, and learn about the canal's rich history and cultural significance.