Product Advantages and FeaturesCA-3 coupler, coupler yoke and Hook tail box wedge shall ensure that the structure and size can be used to GOST 3475 specified in railway locomotive. Gost standard coupler is the leading product for heavy duty railway wagons in the worldwide. Our CA-3 couplers are furnished with Hook,Hook lock, Hook lock holder,anti-creep mechanism design,Lock and lock pin and tempered casting steel, which are high strength structure, reliable safety performance. It obtains obvious superiority in improving the safety and reliability of transportation and the efficiency of train formation.. Product Quality AssuranceWe have advanced computer aided design (CAD), computer aided manufacturing (CAM), auxiliary management system and complete manufacturing & testing equipments, 3 D laser scanner was introduced for the product testing too. At the same time, we introduced a high degree of automation professional line for castings flow-line production, which ensures production process, quality, quantity, and time of delivery. This production line was commended by GOST certification authority. We have a complete series of smelting equipments, teeming equipments, molding equipments, sand shakeout equipments, heat treatment equipments, machining equipments, and assembly lines, and testing equipments. Smelting adopts duplex process with 20Tons high power eccentric bottom basic electric furnace and 25Tons LF ladle refining furnace. Professional testing equipments include spectrometer, metalloscope, material testing machine, impact testing machine, foundry sands testing equipments, X-ray flaw detector, magnetic particle detectors, etc.Customers FeedbackThe feedback from our customers is good.Because of our constant upgrading product quality and service, we have established the long term cooperation with many customers.