朗迪集团：目前关节电机模组已开发5个型号，尚处于小批验证阶段

Core Viewpoint - The company is currently in the small batch verification stage for its robotic joint development, with no orders or revenue reported yet [2] Group 1: Company Development - The company has developed five models of joint motor modules [2] - The reducer used is a harmonic reducer, with an optional version that includes a brake [2]