... pressure: 0.6Mpa 4)The seat diameter: 35cm to 40cm The right products,the right service, the right markets,the bright tomorrow!Detailed Product ... including nickle, redbronze, antique brass, etc.Layer of plating nickle3.5-12 umLayer of plating chrome0.1-0.3 umAcoustic level18-19 ... guarantee5 yearsCertificateACS, CE, ISO9000, CUPC, etc. new design/ classic / water tap / gold-plated wash basin ...