... for cargo trailers, auto sporters, business trailers, and other special trucks. Detailed Product Description Metal Stamping ... for investment casting Gears & Gear Shafts:Spur gears, helical gears, herringbone gears ,bevel gears, hypoid gears, crossed helical gears, worm gears, rack and pinion. Laser Cutting ... sinter parts, stainless steel part, mechanical components and so on. Cold Forming:is a cold ...