Shanghai Tianjian Hardware Factory is a professional manufacture of trailer accessories,our main products include trailer jacks and couplers. We have engaged in this line since 2003 and for the past few years we exported our products to foreign countries mainly through local trading companies.With years experience in manufacturing products,we have realized that what our customer need is a real quality product with a very competitive price.Thanks to our experience on the local material market,we are confident in fulfilling our customers' will. In order to offer more profits for our customers and also help ourself to stand steadily on the oversea market,we're willing to bulid a direct business partnership with you which can creat a mutual benefit. Let's start business now,and we'll show what we can do for you!