establish in 1997, ningbo yinzhou longteng tools co., ltd located in ningbo , zhejiang province , we have convenient access to both nearby beilun barbor, which is one of China&＃039;s largest export docks , as well as an international airport. now we are mainly engaged in the production of high quality trailer ball railer light.air hose, construction hardware, plastic and n0-standard products ***** it is obsorbed of advanced professional technology and advanced equipment. we have an annual turnover of USD2, 000, 000, with all of our products popular exported to Europe, America, sOUTH aMERICA AND ALL OTHERS MARKETS.