product

more>>

about us

what we do

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. Near infrared absorbing dye
3. Photochromic dye and pigment,
4. Visible dye
5. Thermochromic pigment.

more>>

learn more

Our Main Product:UV Fluorescent Pigment, NIR Dye, Special Effect Pigment

Click for manual

PERSONNEL

The company introduces a large number of talents, researches projects and is responsible for customers
RESEARCH

Professional research project team for different customer needs
TECHNOLOGY

New technology transformation mode,research high quality products