Accompanying the higher quality came a new manufacturing method which involved using thin strips of wood shaped by treatment with hot and cold water.
譬如：原本在製造椅背圓弧時，往往把木板彎斷，後來就懂得利用加熱、泡水等方法，使木材軟化，易於彎曲。又如：用車床車出來的木緣花邊，不夠細膩，也改採人工砂磨處理。雕刻師傅、五金部門也逐漸摸到竅門，雕刻花紋日益精緻，袖珍的絞鍊、金鎖片也愈來愈逼真。