Yonsha's factory is located in Shanghai China. Yonsha produces PF8L flat suction cups/ vacuum cups. Yonsha has many PF8L suction pads/ vacuum pads on stock. Diameter: 8mm, hole diameter: 5mm, total height: 6mm. NBR, SI, SE and PU are Yonsha's standard materials. Yonsha has technicians to design rubber compounding.