北京市化学工业研究院(企业集团)销售部


PBT301G0; PBT301G10; PBT301G20; PBT301G30; PA66MN301G0; PA66MN301G10; PA66MN301G20; PA66MN301G30; PA6MN301G0; PA6MN301G10; PA6MN301G20; PA6MN301G30; PET3020; PET3030; MPPO M106; MPPO M109G20;