Of course it is difficult to find the manufacturers you want, Goodcantrading, here will introduce the ways to find your own manufacturers ( not 100% right): you can find your products store centre in yiwu international trade city, and take some catalogs from the stores, generally speaking, manufacturers will have their product catalogs, of course you can identify manufactures according to your professional perspective. Then you can also judge from customized samples and many ways, not 100% exactly right, but you can contact me. We are sure to help you find creditable manufacturers.