The Strict Quality Control of Lapis Lazuli Pigments

Our company is equipped with first-class analysis and test instruments, such as laser particle size meter and spectrophotometer and we also have our own R&D group and technical support team. Parameters including colour difference, particle size and sieve residue etc. are strictly detected and controlled so as to maintain the stable and consistent quality between different batches of  ultramarine, thus meeting the requirements of various industries.
Lapis Lazuli ultramarines comply with the international standard of SGS .