1. Five polyurethane pre-fabricated buried pipeline production lines, annually producing 7,000km of polyurethane insulated pipes with diameters ranging from DN20 to DN1600.
2. Two "one-step" process polyurethane pre-fabricated buried insulation pipe production lines, capable of manufacturing 3,000 km of one-step polyurethane insulated pipes (DN30-DN300mm) per year.
Note: φ159, 3m/min, 8 hours per shift, 1440m per shift; φ76-89, 5m/min, 8 hours per shift, 2400m per shift.
3. Polyurethane pre-fabricated buried pipeline fittings (elbows, tees, reducers, fixed sections, etc.) with an annual production capacity of 10,000 pieces, ranging from DN20 to DN1600mm.