The stone knives found at the site are highly polished, and the pottery shards near and inside the stone coffins are believed to have been the remains of utensils containing food for the dead.
管珠製造的技術更是精密，大約呈兩公分長，○．二公分直徑的圓柱體，中間穿一極細的管道，發現的數目大約每個石棺內五、六個，所以可以斷定是做為項鍊用的飾物，現在的山胞還帶有類似管珠的項鍊。