Room A,16F, Tianzhi Mansion, Qingdao Bonded Area , Qingdao economic and Technology developing Area

HONGYU METAL was founded in 1994 with a long history and experience in exporting washers worldwide by own trade company----Qingdao Dukyang Trade Co., Ltd. <br/> <br/>The ...

Shandong Road Qingdao Shandong ***, Shandong Road

Our products are mainly recognized for accuracy and precision, thanks to skilled professionals and lab experts at our production facility situated in Qingdao, Shandong, China. The reason Qingdao Doubl...