Changzhou Earlybird Chemtech Co., Ltd. is the one of the most leading manufacturers of chelate agents(including EDTA, EDTA-2Na, EDTA-4Na, EDTA-FeNa, EDTA-CaNa2, EDTA-ZnNa2, EDTA-CuNa2, EDTA-MnNa2, EDTA-MgNa2 and other metal salts), AEEA, DMP30,epoxy resin curing agent , which are widely used in household chemicals, pharmacy, aquiculture, cleaning, textile printing and dying and photographic industry. We are famous for great varieties of chelate goods, good quality and service and reasonable price. We are rejuvenating the company with science and technology, following the development trend of world fine chemical and becoming bigger and stronger. Through strengthening cooperation with famous colleges, research institutions in order to obtain production process with unique core technology and quality standard with high level, we have had various vinyl amine products, which can meet all kinds of demand. We sell our products to EU, USA, Asian countries and Middle East. We have established perfect quality control system, adopted management method of zero defect and furnitured advanced test equipment. For the every user can be guaranteed to get secure and satisfactory products.