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About us



Ningbo Rolling Stone Motion Controltek Co., Ltd (RSK) was established by Taiwan Controltek INT’L co, Ltd (CTK) in 2001. We have devoted ourselves in producing “Rolled ball screw”: an effective and efficient linear transmission element. We have mastered in manufacturing precise, reliable and competitive products. We are now the expert in Rolled Ball screw in China , providing local and global.

RSK Values

Professional, Respect, Innovation, Sustainable

RSK Goal

Leader of rolled ball screws in China,

Contributes development of China industry

Serve the world.

·2001  Established in Meixu , Ningbo

·2004  Moved to Yinzhou ,Ningbo .

·2005  Started to produce rolled ball screw.

·2009 Complete production equipment in rolled ball screw

·2010  Expanded production capacity.

·2011 Certified supplier for solar energy

·2016 Certified supplier for medical equipment