Dongguan Ruijin(R&J) located in the beautiful coastal city Dongguan and area of 1,600 square meters. R& Jprovides powerful brand and technical services in the fields of mobile metal dome, metal dome array and mobile connector etc.

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Since the establishment in 2006, the company has ranked leading in the market in such aspects as metal dome, dome array, light guide film (LGF), mobile phone connector, it’s the biggest metal dome

manufacturer in China and the second biggest domestic enterprises of metal dome array in China.

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With an excellent quality policy, Ruijin has passed the certification of ISO9001:2008 International Quality System. According to RoHS instructions, our company fully implements the Environmental protection system to provide customers with green products. We strictly follow the operation procedures stipulated in national standard quality system for material purchase, development, design, manufacture, testing, packing and marketing.?