Heavy Power is a professional manufacturer of wire connectors since 1980. Wide range of our products has UL/CSA/VDE/CE certificate and we are the first and top manufacturer of Screw-On Wire Connectors, Closed-End Wire Connectors, Push-in Wire Connectors and Terminal Blocks in Asia. Company page: www.heavypowertw.com E-catalog https://online.fliphtml5.com/wdwfg/sexx/ E-catalog https://online.fliphtml5.com/vlmta/stat/?1725591782395#p=1 We are looking for a partner who cares about the quality and believes in Safety First. Heavy Power offers quality products with competitive price and instant service. Look forward to hearing back from you and wish to have the opportunity to work with you closely. Shall you have any further questions, please feel free to contact with us for more details.