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​Tensor  Mobile/whatsapp/wechat：+86 18930193879  
Email：Tensor@refretonic.com.cn


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Whatsapp:+86 18855065690
Email: Marry@refretonic.com.cn
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​Tensor  Mobile/whatsapp/wechat：+86 18930193879   Email：Tensor@Refretonic.com.cn
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Marry Mobile/wechat: +86 15921388087
Email: Marry@Refretonic.com.cn