Haiyan Longcheng Standard Parts Co., Ltd. is located in the beautiful and rich Hangjiahu Plain in eastern China. It is located in the middle section of Shanghai-Hangzhou Expressway and is frequently located in Chapu Port. It has superior geographical position and convenient transportation. The company's predecessor name is Haiyan Shuangjian Standard Parts Factory. Now it is renamed Haiyan Longcheng Standard Parts Co., Ltd. It has a history of more than ten years. It specializes in manufacturing and selling all kinds of screw products and has the right of self-export.
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