Piedgen Spring Manufacture Group is a specialized spring manufacturing company,with a long and respectful history.We boast our first-rate streamlined facilities, which are operated by more than 180 highly skilled workers. our company functions as a both producing and commercing entity.We produce a variety of springs and spring applications,including Pop-up garden garbage bag, Pop-up Laundry bag Pop-up in-car storage bag, Pop-up storage bag,Pop-up----- cartoon bag .