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![]() Haiying has III pressure vessel (A2) high and low pressure vessel manufacturing qualification as well as D1 and D2 pressure vessel design qualification. Besides, it has set up and implemented quality systems meeting GB/T19001-2000 idt ISO 9001:2000 standard. The main products are divided into metallurgy machinery and chemical machinery, including more than 40 series and 800 models of gas equipment, filtering equipment, mixing equipment, soundproofing equipment, water treatment equipment, purifying equipment, thermal equipment, low temperature vacuum pipelines, etc. It owns many patents. The products have no quali... [Details] |