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ABOUT US
HENGYAN
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The company was formerly known as Huihong Sealing. Since 2003, under the guidance of experts from the Tianjin Rubber Research Institute, it has been developing new types of concrete pump split pistons. In 2005, it launched several rubber integral pistons. In 2006, it independently developed imported polyether split pistons and special sealing repair kits for concrete pumps. It has been deeply engaged in the production and processing of rubber products and sealing components for many years.
HENGYAN-1