Selection of components of a product formula or mixture to provide optimum specific properties for the end use desired. Formulation by experienced technologists is essential for products intended to meet specifications or special service conditions.
Hangzhou ZeErRui Chemical Co., Ltd. Hangzhou ZeErRui Chemical Co., Ltd. located in Lingang industrial areas, our plant covers an area of 6000 square me.. Tianjin YR ChemSpec Technology Co.,Ltd. YR Chemspec?is a qualified manufacturer and supplier which audited and approved by SGS and ISO,we are strictly foll..