Now that a government procurement system is in force, such contracts must be awarded through an open bidding process, but the Liu brothers are almost always awarded a contract in the bidding procedures held every one or two years because there are so few lost-wax artisans left these days. The contracts have always called for the production of anywhere from several dozen to several hundred pieces.
政府採購法實施後，因為脫蠟工業沒落而使競標者不多，在每一、兩年舉行一次的公開招標案裡，劉家幾乎每回都能得標，不論以前或現在，每次仿製的器物數量從數十個到數百個不等。