... have all kinds of color ,effects . Certificates: All of our products obtained GB/TI9001-2000IDTIS9001:2000,CE, GS, TUV, SASO certificates. Agent ... ,Middle east countries ,South Asia ,Asia ,etc .Q: What kind of products certificate you have ?A: We are the first enterprise ... GERMAN "GS " Mark awarded by TUV Rheinland in Mainland China .Q: What about your service ?A: Quality first ,credit suprem is ...