21 4-Isopropylphenyl isocyanate Suppliers
puyang hongda shengdao new material co.,ltd.
CNPuyang Hongda Shengdao New Materials Co,Ltd. is one of subsidiaries of Sinopec Corp, Hongda has four branch chemical plants and two branch chemical companies, located in Pucheng Industry and Trade Zone in Puyang City, a state-level health city in Henan province,The national highway 106 run through t
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