1) Context of Community Enterprise group. The establishment of the first group is combination to big group in the central learning form for self-reliance by Sufficiency Economy philosophy. The later establish the sub-produce group to produce by interest for part time job to save cost and add income. 2) the way operations of Banmaisunti fertilizer producer group separate to 4 is 1. The produce. Two fertilizer producer group supplier buy material in community use labor member in free-time join to produce. The most tool and equipment used of the member. 2. Sale and marketing. Both producer use information cost. Product is part in control price