Supu was founded in 1988, After 20 years' development, SUPU has become a well known brand in the field of electronics connection technology in China and now widely welcomed by customers all over the world. Our products include spring-cage terminal block, screw terminal block, PCB terminal block, female/male connector, transformer terminal block, mini terminal block, push-wire connector for building installation, modules, marking tools, etc.  The products are approved by ISO9001, CQC, CCC, CE, CB, TUV, UL, VED ,RoHS, SGS, etc. We have a strong RD department and can make OEM products accordingly to customers' requirements.