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harbin jinyuan guifeng cement products co., ltd., telephone 19969638885 and mobile phone 17758823666, is a professional manufacturer specializing in the production of concrete prefabricated components in water conservancy engineering projects. it has advanced equipment technology and strong technical strength. the rectangular grooves, drainage grooves and concrete components produced by our factory meet the needs of today's market and can design and produce various specifications and models of cement products according to user needs.
jinyuanguifeng.com 2025-01-17
heilongjiang jinhao water conservancy technology development co., ltd. is a professional manufacturer specializing in the production of concrete components, with advanced equipment and strong technical strength. rectangular groove, trapezoidal groove, u shaped grooves, various cement products contact number 13603679997
jinhaoshuili.com 2024-12-03