The raw materials.Because the company's main raw material, namely various kinds of shellfish and fish, water surface, water surface, fish such as mackerel special. After the fish is green throughout the year and these fish will have a short life cycle, so that companies buy raw materials to produce goods so as to take advantage of the natural raw material, but the limitations that the fish and shellfish are high in some season and some rare seasonal variation, as well as the weather, it is one of the factors that will affect the quantity of raw materials.
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