Dingliang casting is one of the largest grooved fitting manufacturers in China even in Asia. Grooved fittings are used in fire-fighting, water supply and drainage system, electric power, petroleum and chemical industry. Our company owns modern technological advanced mould R&D center, large-scale casting and painting workshops. To ensure the quality of products, the company introduced the German spectrometer, advanced carbon and silicon analyzer, metallographic analyzer, gasket ring testing equipment, casting sand testing equipment, foundry iron composition analysis equipment, working pressure testing equipment, providing fast and accurate ways of detection for the large-scale production. The company owns 8 advanced casting production lines and one world advanced open type production line for producing grooved fittings.
Our products have got ISO9001 certification, China Compulsory Certification, FM, UL and ULC quality system certification. Our company has developed more than 3000 kinds of products. The company introduced three sets of shot-blasting cleaning equipment, more than 200 sets of advanced automated CNC machines, 6 advanced product’s surface treatment lines and large stereoscopic storage facilities. The sales network covers domestic market, Europe, USA as well as other countries.