Polymer, Inorganic Chemicals manufacturer / supplier in China, offering ERICW EW KCB: 1:1 Replacement for Clariant Fluorescent Brightener KCB, ERICW 6800 High-efficiency Solvent-free Silicone Defoamer: 1:1 Replacement for Elementis Defom 6800 Defoamer, ERICW EW 19 Ultramarine Blue Pigment: 1:1 Substitute for Ferro EP-19 and so on.