Deer sir Good day to you! Our company(Beijing Aoyu Formwork co.ltd)was founded in 1992.As a specialized company in formwork technology, we are not only a designer and producer of formwork products, but also your construction cooperator.With a prefect quality assurance system, the company is able to provide you with the whole process service for your project from formwork designing, formwork processing, and manufacturing, all the way, to formwork assembling on construction site. Our products include:Whole-steel formwork;Steel-frame plywood formwork;central-controlled adjustable lift shafe formwork;adjustable square column formwork;adjustable window/door formwork;formwork for bridges;tunnel formwork and so on. If you are intrested in our products or you want to know more details, send us an e-mail or give us a call we will allways waitting here to serve you! YOURS Jack