Monomer pre-melting device, alcoholysis device, transesterification device, multi-functional esterification reactor, high-viscosity polycondensation reactor, online additive feeding system, etc.

Separation unit, distillation unit, crystallization unit, evaporation unit, gas purification unit, conveying unit, water production unit, nitrogen generation unit, circulating water unit, heating and heat exchange unit, vacuum unit.

Boiler waste heat recovery unit, steam comprehensive utilization unit, process heat energy recovery unit.

Polymerization tail gas pretreatment unit, waste liquid pretreatment unit.

Efficient vertical reactors that can be fully mixed for polymerization、multi-chamber tower reactor for polymerization、ultra-high viscosity parallel flow reactor for polycondensation、vertical parallel flow reactor for polycondensation、dynamic mixer capable of controlling melt quantity with low shear、ultra-efficient batch reactor for polycondensation、horizontal high-dispersion reactor, fluidized state reactor.