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Dingwei has welding, non-destructive, and coating inspection engineers certified by AWS, TWI, IIW, ASNT, CASEI, BINDT, CHSNDT, SSPC, and NACE. They are familiar with ASME, ASTM, AWS, EN, AS, ISO, GB/JB, DIN 1690, and other standards, as well as some customer standards and specifications. Dingwei can provide inspection services for mining machinery (prefabrication control, process inspection and testing, non-destructive testing, coating inspection, loading supervision services, factory acceptance testing, and final inspection), including crushing machinery, crushing machinery, grinding machinery, screening machinery, ore washing machinery, and so on.