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HJ Prefabricated Rebar Truss Composite Slab Without Formwork
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06/26
2025
2018
January: Integrated Building Energy Efficiency & Structure Technology and Prefabricated Partition Panel Technology officially promoted nationwide
2017
January: Intelligent Equipment Manufacturing Base project officially launched August: Prefabricated Building Component Production Base project officially launched
January: Intelligent Equipment Manufacturing Base project officially launched
August: Prefabricated Building Component Production Base project officially launched
2015
March: HongJi Building Materials Co., Ltd. established
2014
March: the HJ prefabricated non-removable bottom-formwork steel truss composite slab and the self-insulating block projects were launched simultaneously.