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Working time: 8:30-18:00 (Mon-Fri, UTC/GMT+08:00) Office Phone#: +86-755-83995265 ext 8005 International Sales service: (Overseas Sales Manager) Mrs. Maggie Lee Email: [email protected] Direct line.#: +86-755-83995265 +86 13590396606 (Wechat & phone#) +86 13590396606 (WhatsApp & phone#) Microsoft Teams:ctcctv1 Domestic sales service: Mrs. Tang Email: [email protected] +8618922812789 (Wechat & phone#) Technical support: Mr. Danny Wong Email: [email protected] +8618922813789 (Wechat & phone#)   Address: Rm 2412, Block A, Daoxing Global Science & Innovation Center, Xin'an Subdistrict, Bao'an District, Shenzhen City, Guangdong Province, China, 518101.