China, Shanghai, Shanghai, China,
Shanghai Shen Tan Green New Material Co., Ltd. is a research, production and sales, processing custom sieve class of porous materials, technical services for high-tech enterprises. Shanghai relying on technology research development large domestic ...
zeolite,zeolites,molecular sieves,zsm-5,4a,3a,5a,sapo-34,mcm-22,y,13x