Our company produces most kinds of powder metallurgy structural parts, such as power transmiting gear, gear for oil pump, meat grinder cutter, oil pump rotor and so on. All the complex structure powdered parts will be possible to be gotton from us. We have no a standard size series because all of our products are following the drawing or sample from our customers. We wish we can get your inquiry with sample or drawing. The prompt response will be offered by us.