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sichuan changhong invested 450 million yuan. contact us dongguan juda electronics co., ltd. address: no. 8 jingyi road, dongcheng street, dongguan city, guangdong province hotline: 4 0 0 6 6 6 3 6 1 5 tel: 0 7 6 9 2 6 9 8 3 3 4 8 fax: 0 7 6 9 2 2 8 0 2 5 5 9 website: amp;quot; zhengzhou amp;quot; wireless picture transmission production and sales. we are committed to providing customers with high-quality wireless picture transmission solutions. we have mature technology and rich experience, reliable product quality and wide application fields, and are highly praised by customers. contact information: 137-2347-4893.