... sedimented; long service life ISO9001 Boyang UHMWPE Mining Pipe system Boyang UHMWPE pipe lines are made from the “ ... , including: copper, iron, zinc, bauxite, lead, gold, coal, nickel laterite, phosphate, and others. UHMWPE pipelines transport many types ... of materials: coal, copper, iron, and phosphate concentrates, limestone, lead, zinc, ...