Because their companies were small and could not take on the entire manufacturing process themselves, some steps, such as electroplating and lacquering, were outsourced to specialized factories, creating an integrated manufacturing network organized according to specialization and division of labor.
由於各家公司規模不大，不可能一手包辦所有流程，因此像是電鍍、烤漆都交給專業工廠負責，形成「專業分工」的模式。