We can produce gears, gear boxes, worm, worm wheel, servo,micro DC motor ,MIM,etc. Heavy duty connectors with less resistance. We Shenzhen HuaYueXin Precise ware Co., Ltd. is professional and technical experience in the production of following products: A. Powder metallurgy products are made of bronze, iron and stainless steel as raw materials, which are as following:gear wheel,worm wheel,worm, ...