Shandong Hengtong Expansion Joints Manufacturing Co., Ltd.

Shandong Hengtong Expansion Joints Manufacturing Co., Ltd. is located at the foot of the mountain Tai, which is the head of the five mountains "World Double Inheritance". We are a large-scale enterprise which specializes in designing, researching, developing and manufacturing expansion joints of corrugated pipes. We have "People's Republic of China Special Equipment (pressure piping component) Manufacturing Permit", and passed ISO9001 quality control system certification. Our "multi-corrugation (containing single-corrugation) thick wall integral forming metal corrugated expansion joint" has attained the national patent (patent number: ZL200520124753X) and the national patent third prize and outstanding prize, and passed the new technical appraisal of Shandong Province Economic Trade Committee. Our DN3950*42mm Hydraulic Integral Forming Expansion Joints which are developed to realize the localization of VAC Reactor (Vinyl Acetate Reactor) passed the technical expertise of CCIEA (China Chemical & Industrial Equipment Association) in June, 2008. After examination, CCIEA pointed that this product not only fills the blank of expansion joint manufacture in China, but also can be used to substitute for importing counterparts from abroad, and the technology of this product has reached the highest level in China up to present.Our "Tongpeng brand" expansion joint products are widely applied in the scopes such as petroleum, petrochemistry, chemical industry, electric power, thermal energy, water conservation, metallurgy, aviation, astronautics, ship, nuclear industry and pressure vessels, and have been exported to South Korea, the US, Indonesia, India, Japan, Nepal, Turkey, and Belgium, which are appreciated by users.Our company shall be devoted to the technical innovation to strive for development, positively promote new material, new technologic application, and struggle for large-scale manufacturing capacity of corrugated pipe expansion joints.

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