Hefei Bridgesi Instrument and Equipment co.,Ltd is located in City established 2011. We mainly focus on sales of water analyst instruments,coventional laboratory equipments, physicochemical devices, metrical instruments,special instrumentation ...

Guangzhou Ruiqi Trade Co.,Ltd. is located in businese center of south china, Guangzhou. We give priority to international trade engaging mainly business on chemical material, fertilizer, plant Hormone, bioorganic halobios and test instruments. ...