Ranking promotion, target management, post information, member center, inorganic chemicals, chemical fertilizers, pesticides, chemical mines, intermediates, organic chemicals, oil products, synthetic fibers, rubber, resin, plastics, dyes, coatings, pigments, synthetic medicines, chemical reagents, catalysts, chemical assistants, food additives, feed additives, adhesives, daily chemicals, fine chemicals, chemical machinery, laboratory instruments, cosmetics, fragrances, others.