Longkou haigerui pigment Co., ltd is located in longkou hi-tech development zone, which is founded in 2004, the company covers more than 80,000 square meters, we are one leading professional manufacturer of ultramarine blue and the annual production capacity is about 4000 tons, 

chromatic coordinates	0.5
tinting strength	3
content of free sulphur	0.05
moisture content	1
soluble water content	0.2