Expansion joint is the leading product of Taidy, which have strong comprehensive strength and market competitiveness in the same industry in China. Taidy designs, manufactures and tests expansion joint according to the National Standard GB/T12777-2008 and Standard of the Expansion Joint Manufacturers Association (EJMA), and controls the procedures of designing, manufacturing and testing product as per ISO9001:2008. Taidy has EJMA software of design, finite element analysis software and optimizing software to design pipeline. All off these make our products are more reasonable, safer and reliable.