NingBo COSZO Industry & Trade Co., Ltd. is located in NingBo, China, which is famous for the second biggest container port in China. 
        We are specialized in producing kinds of precision casting spare parts.In order to offer our best service to customers, we set up NingBo COSZO Industry & Trade Co., Ltd. taking charge of marketing precision casting spare parts worldwide, and got our own certificate of Export Licence. 
        Our factory have about 150 employees with the annually output over 4000 Ton, and have established the quality assurance system conforming to ISO9001-2000.The material we used for casting include carbon steel, alloy steel, stainless steel, refractory steel, ductile iron, etc.. 
        We have the advanced manufacturer like medium frequency induction furnace (6 sets), coal furnace (2 sets), sand blaster machine (3 sets), wax injection machine (2 sets), and the test equipment like Spectrum Analysis Instrument, metallurgical analysis, tensile strength tester, hardness tester, impact test machine etc.. We have the machining center, which can produce kinds of mining machinery spare parts, so we can give our customer an integrated service.
        Reckoning on 15 years' casting experience, we are supplying high-quality products to meet every customer's request, we track the progress of your sample through several quality assurance steps to assure the products are produced 100% correctly with exact strict standard quality control from raw material's...