Jiangsu Helper Functional Materials Co., Ltd. is a professional company committed to macroporous adsorbent resin, ion exchanger resin and molecular sieve for independent research and development, producing, sales as the core business. Shape Selectivity: Through the fine control of pore size, especially the fine control of deposition of new technologies to achieve molecular sieve pore size controllable chemical liquid silicon, the adjusting precision control in the ultrafine range of 0.05nm ...