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Yantai Tightsen Fine Chemicals Technology Co., LTD., Address: No. 29, Tianshan Road, Yantai Development Zone --------------------------------------------------- Customer service（TEL）：86-0535-6103997 Network consultation（TEL）：86-13255525597 After sales：86-0535-6389399 Scanning QR code and customer service wechat consultation
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CONTACT US
Customer service（TEL）：86-0535-6103997
Network consultation（TEL）：86-13255525597
After sales：86-0535-6389399
Enterprise email：vip@tightsen.com