We have produced the first Tubular Motors in China in 1996. We have series as 5NM, 20NM, 30NM, 40NM, 50NM, 60NM, 80NM, 100NM, 140NM, 160NM, 180NM, 230NM, 300NM, 350Nm, 400Nm, 450Nm and 500NM, we are the one and only manufacturer of the large torque motor in China at present. Dia. Range: 35mm~114mm. We are also able to supply Motors according to clients inquiry, If you are interested in our products, kindly feel free to contact us.