Tangshan Longji Trading Co.,Ltd is located in Tangshan,China, major in eye equipment such as portable tonometer, scale UBM, keratometer and etc. Tangshan Longji Trade Company is also working on oxygen machine, retractor, hospital bed and etc. <br /><br />Our company established professional team to offer technology consulting and after-sale service. Tangshan Longji Trade Company is a responsive to immediate needs or problems and always at your service. <br /><br />With the speedy development, we want to enlarge the export and import business in the world and will keep the aim of "good quality and services in the future. <br /><br />