由天津中科塑业股份有限公司投资建设的天津市首家年产万吨级PVC(聚氯乙烯)管材企业,近日建成投产,生产能力达2.5万t/a,使该企业成为华北地区规模最大的PVC万吨级塑料管材生产基地。作为国内PVC原料的最大生产基地,天津市PVC管材的生产能力却十分薄弱,PVC原料大量外流,2002年PV The first batch of 10,000-ton PVC (polyvinyl chloride) pipe material invested and constructed by Tianjin Zhongke Plastic Co., Ltd. was put into operation recently and the production capacity reached 25,000 t / a, making the enterprise the scale of North China The largest PVC tons of plastic pipe production base. As the largest domestic PVC raw material production base, Tianjin PVC pipe production capacity is very weak, a large number of PVC raw material outflow, in 2002 PV