Shanghai Calcium Carbonate Factory Co. Ltd. has a professional QA and QC team, and the relevant personnel all have relevant college or above degrees, abundant analysis knowledge and work experience. All work and activities concerning product quality are conducted with necessary and effective monitoring, preventing any unqualified intermediate products from flowing to the next process, and any substandard products from leaving the factory. All-round training is carried out for employees, and the departments concerned shall evaluate the main material supplier quality system together, laying a solid foundation for product quality. The quality inspection center is equipped with the latest detection and analysis instruments, such as scanning electron microscope, BET analyzer, atomic absorption spectrometer, hydride generator, sedimentograph, and densitometer, which are mostly imported.