The main products: valve, ball valves, butterfly valve and the closing valves, check valves, metallurgical valves, valve power plants, oil catalytic cracking and special valves and valve instrument accessories, such as piping annex.
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metallurgical valves
冶金阀门
以上为机器翻译结果，长、整句建议使用 人工翻译 。
There will be China 'booming market demand for such big-caliber metallurgical valves as metallurgy and low-pressure environmental protection project etc.
中国国内市场需求旺盛，特别是对冶金类、低压环保工程类大口径阀门需要量潜力巨大。
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