we are a company in china , which exports transmission parts as follows :
1\ taper - locked pulleys : grooves type with SPA/SPB/SPC/SPZ , 3V-5V-8V , Poly J-L-M pulleys dia from 63 to 2100 mm . groove numbers from 1 to 12. taper bore from 1008 to 7060 .
and QD bore from small one type SH to big one type P .
2\ sprockets ,gears , racks ,bevel gears ,worms
3\ weld-on hubs , bolt-on hubs
4\ Bi-lock pulleys with steel bushings
5\ others nonstandards parts with client's drawings