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Yunnan Sparking Science and Technology Co.,Ltd.,

to Address: 1-1, Building A, Phase 1, Ciba Biotechnology Innovation Center, Panlong District, Kunming City, Yunnan Province

Customer service email (E-mail): yunshuohr@sina.cn

Customer service telephone (Tel): 0871-67370722

Posts and Telecommunications Post code: 650051

Yunshuo Technology Shenzhen Branch

Posts and Telecommunications Post code: 518000

Customer Service Tel: 0755-86522445

Customer service email (E-mail): yunshuohr@sina.cn

to Address: 14th Floor, Zhuoyue Win-win Building, Unit 3, Building 1, Huaqiang Times Square, No. 153 Fengtang Avenue, Fuhai Street, Bao 'an District, Shenzhen City, Guangdong Province