OS-TECH

CHEMICALS, NAMELY STRIPPERS, CLEANERS, DEFOAMERS, ETCHERS, BRIGHTNERS, OXIDE REMOVERS, WETTING AGENTS, WASTEWATER TREATMENT PRODUCTS, ELECTROPLATING COMPOUNDS, USED IN THE PRINTED CIRCUIT BOARD, PLATING AND WASTE TREATMENT INDUSTRIES, CHEMICAL CLEANERS FOR PREPARING PRINTED CIRCUIT BOARD OR PLATING SURFACES