D series phthalocyanine is researched and produced by two pigments companies of Yipin and Shuangle. It is implemented Int’l standard. It is made under special process with high strength,consistent colors.It is widely recognized used in plastics,inks,coatings& rubber industries etc. It gives you exciting colour effects. It has temperature stable up to 200℃ more, heat-stability, light-resistance .It does not decompose to light and climate.