河北省唐山市橡胶厂为适应市场需求，抓住节材降耗，提高经济效益这个工业企业的永恒主题，运用系统观念、优化法和预测决策等现代化管理方法，消化原材料涨价等不利因素，超额完成了投入产出总承包的任务。1993年完成工业总产值4837万元，实现利税总额637万元。在确保产品质量 The rubber factory in Tangshan City, Hebei Province, in order to meet the market demand, seize the opportunity of saving materials and reduce consumption, improve the economic benefits of this industrial company’s eternal theme, use modern concepts such as system concepts, optimization methods, and prediction and decision-making, and absorb unfavorable factors such as raw material price increase. Exceeded the task of total input-output contracting. In 1993, the total industrial output value was 48.37 million yuan, and the total profits and taxes were 6.37 million yuan. In ensuring product quality