jiangsu honggangpetrochemical co., ltd. is mainly responsible for construction and operation offiber grade purified terephthalic acid (pta) project. the firstphase of the project can achieve an annual production of 1.5 million tons ofpta including pta main devices, auxiliary production equipments and matchedutilities etc. the project mainly aims to provide raw materials for shenghonggroup which has been put into operation at the end of july 2014.