An analysis of the performance the past
.In the part of the main cost of goods such as iron, which is the main raw material, which is highly valued in the production of iron and pile foundation in 2557 still have price competition from the major manufacturers of steel part of Asia.A result, the price of steel in the emerging markets fluctuation. And the slowdown in production of major steel producer in the country. The government has issued a security measure taxed Safeguard affect the cost of imported steel high up.Including cement, rocks, sand, price cost higher. Because of the needs of the market, there are more and more. The energy is highly adaptive. Therefore, the cost of production is higher rate
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