uv fluorescent pigment
thermochromic pigment
perylene pigment
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blue light blockers
photochromic pigment
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Featured Products

  • Uv fluorescent pigment
  • Thermochromic Pigment
  • Perylene Pigment
  • NIR absorbing dyes

product

Advanced international production technology and high quality

  • 荧光
  • According to the needs of customers, there are many products under development and testing

    UNDER DEVELOPMENT

    According to the needs of customers, there are many products under development and testing

  • Professional research project team for different customer needs

    RESEARCH

    Professional research project team for different customer needs

  • New technology transformation mode,research high quality products

    TECHNOLOGY

    New technology transformation mode,research high quality products

about us

Qingdao Topwell Chemical Materials Co., Ltd. established in 2014, is a professional supplier engaged in the research, sale and customized special pigment and dye which in relationship with kinds of light– UV light, near infrared light(IR), visible light.

Our main products include,

1. UV/IR fluorescent pigment and dye,

2.Thermochromic pigment,

3. Near infrared absorbing dye,

4.Perylene pigment,

5. Visible light sensitive dye

6. Photochromic dye and pigment

7.Urolithin A

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