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Shanghai Wisdom signboards Production Co., Ltd. is an extension of the Wisdom enterprise which is a professional company established in order to achieve the production chain and import the latest production technology from Japan. The production base is located on the third beautiful biggest island of China- Chongming Island.

LED还具有其他优势,光线质量高

早在几年以前LED就以低功耗、超常使用寿命被广泛应用到信号指示、数码显示等弱电领域,如今超高亮LED的研制...

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