... Competetive Price, Good Service Certification: ISO9001:2000 OEM/ODM services Worm gearmaterials: stainless steel, carbon steel, cast iron, bronze, ... gear shaper, precision CNC maching centers, CNC lathes.Types: worm gears, rack and pinion, bevel gears, spur gears, helical ... at precision casting and precision parts making.Products covers fan wheels, pumping-using fan tools, tank-washing machine parts, ...