三月底開過成本會议后,为了贯彻成本計算規程的执行,局内抽出二十几個同志,去各現场參加協助建立成本計算制度。我們预备将來總結各矿对成本計算工作的实际经验,逐期在『有色金属』上發表。這裡光将青城子工作小组會同矿山同志共同研究出的『材料管理制度』刊出,藉供大家研究參考。为了不变更青城子铅矿的既定制度,我們是按照原制度的內容刊登的。—编者 After the cost meeting was held at the end of March, in order to carry out the implementation of the cost calculation rules, the bureau took out about 20 comrades and went to the various fields to help establish the cost calculation system. We plan to summarize the actual experience of various mines in costing work in the future and publish them on a “non-ferrous metal” basis. The light will Qingchengzi Working Group will work together with the mine comrades “material management system” published for your reference. In order not to change the established system of Qingchengzi lead mine, we published it according to the original system. -editor