1. Raw materials for manufacturing
products are manufactured from galvanized steel sheet aluminum / zinc-finished products of high quality, stable and respected provider of domestic and international credibility as BlueScope Steel, Fujiton, Hoa Sen Group ... the reality on the market today are many businesses use raw materials that criticize religion, religious type 2, type 3 indicators Phru plating thickness and hardness is very low, directly affecting the quality product safety as well as being put into use.
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