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Qingdao Topwell Chemical Materials Co.,Ltd

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◆Our History
Qingdao Topwell Chemical Materials CO., LTD is a comprehensive fine chemical enterprise that dedicates to R&D, Manufacturing, and marketing. Company is located in Qingdao City, Shandong,

◆Our Product
Products range include chemical intermediate, functional dyestuffs(sensitive and near infrared(NIR) dyes),thermochromic &photochromic pigment ,Basis client confidentiality, we also supply custom processing synthesis services for various fine chemicals and specialty chemicals.

◆Product Application
for plastics and security applicat... [Details]

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