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The Notice of implementation of China's petrochemical general valve casting suppliers public pre-qualification
Jun 26, 2018
To further strengthen the quality control valve, to improve production and construction materials intrinsically safe level, China petrochemical materials equipment department (hereinafter referred to as the "ministry") to launch 2018-2021 general valve pressure casting (valve body, valve cover, valve plate) supplier pre-qualification publicly, welcome to eligible to sign up for good suppliers.






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