Tangshan Iron and Steel is part of the petrochemical enterprises spare parts suppliers. 是唐山部分钢铁石化企业的备品备件供应商。
Meanwhile, according to PetroChina's marketing arrangement, the Company also sells, in this region, chemical products from other enterprises of PetroChina. 同时根据股份公司统销安排,在区域内经销中国石油其他石化企业生产的化工产品。