| Pulp preparation and steeping | Pulp feeders, steeping presses, shredders, and alkali-cellulose handling equipment | Mechanical equipment for preparing pulp and forming alkali cellulose under controlled operating conditions | Capacity, material compatibility with caustic liquor, sealing, and ease of cleaning |
| Aging and cellulose xanthation | Aging vessels, carbon-disulfide dosing systems, and xanthation reactors | Batch processing equipment and controls for temperature, mixing, reaction time, and containment | Closed-system design, corrosion resistance, hazardous-area compliance, and emissions controls |
| Viscose dissolution and preparation | Dissolving tanks, agitators, transfer pumps, and viscose preparation systems | Mixing and transfer systems designed to produce a uniform viscose solution | Mixing performance, temperature control, pump suitability, and cleanability |
| Filtration and deaeration | Viscose filters, filter-change systems, vacuum deaerators, and associated piping | Solution-cleaning and bubble-removal equipment upstream of spinning | Filtration rating, operating pressure, continuous-operation design, and maintenance access |
| Fiber spinning and regeneration | Metering pumps, spinnerets, spinning baths, godets, and filament take-up systems | Spinning-line equipment that extrudes viscose into a regeneration bath and controls filament formation | Output range, speed control, bath management, spinneret servicing, and product consistency |
| Fiber washing and finishing | Washers, desulfurization and bleaching equipment, cutters, and drying systems | Downstream treatment and finishing lines for continuous-filament or staple-fiber processes | Fiber form, washing efficiency, chemical dosing, moisture control, and line integration |
| Chemical recovery and environmental systems | Carbon-disulfide recovery equipment, scrubbers, ventilation systems, and wastewater-treatment units | Plant utilities and pollution-control systems designed around process streams and local requirements | Emission guarantees, safety documentation, treatment performance, and applicable permits |
| Complete-line engineering and automation | Process vessels, material-handling systems, instrumentation, control panels, and plant integration | Project engineering that coordinates multiple process stages, utilities, controls, and commissioning | Reference installations, defined scope boundaries, performance tests, training, and after-sales support |