Ladies and Gentlemen, Thank you very much for your interest. Established in 2009, Dongguan City YISEN Precision Hardware Spring Co., Ltd is a manufacturer specialized in the research, development and production of hardware springs. We are located in Dongguan City, with convenient transportation access. All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world. The team at YISEN Precision Hardware Spring Co., Ltd is a combination of fresh and energetic youngsters along with deeply-knowledgeable and well-experienced professionals. This team is well-versed and comprehensively trained in all the facets of spring manufacturing from coil springs to compression springs and from Torsion springs to wire forms. Our well-equipped facilities and excellent quality control throughout all stages of production enables us to guarantee total customer satisfaction. As a result of our high quality products and outstanding customer service, we have gained a global sales network reaching America, Europe, Australia and South East Asia. If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future.