... gears, gear boxes, worm, worm wheel. 1. offer various DC motors contained planetary motor, rc servo motor,etc 2 We Shenzhen HuaYueXin Precise ... steel as raw materials which are as following:gear wheel,worm wheel,worm, metals injection shaping;B. Plastics products are ... as raw materials.The products concerning as plastic gear wheel,worm wheel and other precise injection plastics;C. And provide ...