circular of the state administration of taxation on the issue concerning how enterprises with foreign investment which concurrently engage in productive and non-productive business enjoy preferential tax treatment
国家税务总局关于外商投资企业兼营生产性和非生产性企业享受税收优惠问题的通知
以上为机器翻译结果，长、整句建议使用 人工翻译 。