We oversees the trading system that occurs between the collectors to artisans by establishing Lumbung Complong. Lumbung Complong is a cooperative group to fight the major collectors who do unfair trading. The main goal of Lumbung Complong is to assist and buy raw material and handmade products from pandanus made by artisans at fair price. The secondary goal is stabilizing price and increasing quality control in order to deliver added value to the buyers. So, buyers will compromise for routine order and the artisans will earn steady and fresh income to make a better quality of life in Grenggeng. Weaving become future promising job for youth then it will be sustainable culture.