Tianjin Dongda Weiye Locomotive & Rolling-stock Co., Ltd., which is a private enterprise founded in 1985, has an affiliated company- Tianjin Dongda Vehicle Fittings Factory. It covers a total area of 45,000 square meters with 23,000 square meters of plant building area. Situated in Tianjin, the largest port city in northern China, it borders on Jingjintang Highway with advantageous geographical positions.

    It has 260 employees now with 36 management personnel, 28 technical personnel and 16 employees with advanced technical job titles. It has more than 50 kinds of hot working equipments and 90 kinds of power mechanical equipments used for cold working and forging. It has formed the production patterns which integrates casting, forging and machining process by virtue of advanced horizontal test devices, forging equipments and numerical control machining center.

    This company is a China-mor designated suppliers and gets involved in industry sectors such as cars, railway and ships. Steel foundries are modern manufacturing workshops with advanced production levels. In order to adapt to the rapid development trend of China railway business, it has bought production equipments with international advanced levels and is specially equipped with heat treatment equipment.

    In order to effectively control the product quality, it has purchased Shimadzu direct-reading spectrographs from Japan to test the chemical composition of the molten steel accurately and quickly; automatic rotating magnetic defectoscopes to test the flaws such as cracks on the cast and to guarantee the quality; testing equipments such as shock testing machines, electronic Brinell hardness testers, universal materials testers, metalloscopes, etc., to test the mechanical properties of various materials in the full-functional mechanics performance test center and. The full set of equipment tooling can meet the production ability of cast steel accessories with an annual output of 7000 tons.

     It has a full set of dust removal system to avoid environment pollution and guarantee the physical fitness of the staff.

It has received several enterprise honorary titles since its foundation: Thousand Key Backbone Enterprises in Casting Industries in China, Tianjin Excellent Enterprises in Casting Industries, Tianjin Technical Reform and Subsidized Units in 2007,District-level Enterprise Technical Center, Beichen District Small and Medium-sized Technology-based Enterprise, Tianjin Small and Medium-sized Technology-based Enterprise, Tianjin Harmonious Enterprise（A level）.

    It has carried out the version upgrading certification work for the International Organization for Standardization
ISO9001-2008 edition management authentication certificate in 2009 and has got ISO9001：2008 edition authentication certificate issued by Beijing Shibiao Authentication Center. It not only continues to use domestic standards in China such as GB, TB and JB, but also adopts ASTM and AAR technical standards.

     Its products mainly include railway truck with buffers, 13B、16 type car coupler knuckles, coupler yokes, 17 type of coupling and railway truck accessories such as wearing plates and side bearing seats and the material can cover all kings of carbon steel, alloy steel, American Level C and E steel and ME-160. Its products find their way in various railways bureaus, vehicle depots and truck companies in domestic markets and foreign countries in Europe and America. It is greatly praised by the users for reliable product quality, reaching advanced level at home and all-round services for the users.

    It will be strictly user-oriented and provide customers with excellent services to meet their needs. It will carry out feedbacks and visits for users regarding quality to know the quality conditions of products in use at any time through, and solve the quality problems discovered in time to fully improve the qualities of actual products and service quality and meet the customers’ operating requirements.

    Its tenet is “Excellence builds quality, integrity makes brand”. It will provide railway transportation with outstanding services by using the advanced technologies and scientific management methods and providing superior quality and reasonable price.