Zhai Liu Wei in the traditional process, the sauce is Luzhijiangrou by the Lao Tang Residue from Aozhi, do not add anything. 在六味斋的传统工艺中，酱汁纯属卤制酱肉的老汤经滤渣熬制而成，不添加任何东西。
The phosphate-contained residue in the purifying process may be fed back to the production of ammonium phosphate fertilizer. 净化液经浓缩到适当密度后再冷却结晶，即可获得所需纯度的磷酸一铵产品，净化过程所产含磷滤渣可返回磷铵肥料生产系统。
