Ruian Shengda Controller Co.,Ltd. is the manufacturer founded in 1995, specialist in producing magnetic powder clutch/brakes, tension controllers, air disc brakes and air inflatable shaft for more than 20 years, still adhere to be "professional, high quality and high efficiency". The products are widely used in packaging machine such us printing machine, coating machine and laminating machine. The products have reasonable structure, beautiful appearance, excellent performance and reliable quality, which make it have the high reputation in China. Besides, the company have good after-sale service with 1 year warranty period. If you have any questions, welcome to contact with us!