Qingdao Topwell Chemical Materials Co.,Ltd

◆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]