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Liaoning Bo Road building materials in Shandong, Polytron Technologies Inc has Hebei, Liaoning, Gansu, Hunan, Sichuan, Chengdu, Zhejiang seven production bases, high-tech enterprise specializing in the production of nano water-saving irrigation pipe, PE pipe, PE gas pipe and PE pipe for mine, flame retardant, antistatic PE groundsource heat pump pipe, PE pipe, PERT floor heating siphon drainage PE water supply pipe and matching pipe fittings, PE gas pipe fittings, PE flame retardant, antistatic and anti min...
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