Hangzhou Gearbox Machinery Co.LTD is a manufacturer of marine gearbox,extrusion gearbox and pipe threading machine etc. Marine gearbox models:06, 16A, 40A, 120B, MB170, 135A, 300, D300, T300, 400, D400, T400, 600, D600, T600, 800, T800, 950 etc.
Extrusion gearbox models:ZLYJ133(45/50mm), 146(55mm), 173(65mm), 200(75mm), 225(90mm), 250(100mm), 280(105/110mm), 315(120mm), 330(130/150mm), 375(150/160mm), 420(165mm), 450(165mm), 560(190mm),630(200mm) etc. screw diameter is from 45mm to 200hp.
Pipe threading machine:N50(1/2''--2''), N80(1/2''--3''), N100(1/2''--4''), N150(2 1/2''--6'')

DC gear motor
gearbox