Yonsha's factory is located in Shanghai China. Yonsha produces PF6R flat suction cups/ vacuum cups. Yonsha has many PF6R suction pads/ vacuum pads on stock. Diameter: 6mm, hole diameter: 2.6mm, total height: 7mm. NBR, SI, SE and PU are Yonsha's standard materials. Yonsha has technicians to design rubber compounding.