Q41N liquefied gas ball valve

Q41N liquefied gas ball valve is made of teflon packing, suitable for most high and medium pressure gas delivery occasions. The operating torque of the handle is stable. The O-ring is used to prevent external impurities from entering the valve. And to maintain long-term sealing performance of the v

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Experts expect weak demand for coke in China

Li Xinchuang, dean of the China Metallurgical Industry Planning Institute, said yesterday that it is expected that by 2015, China will require 382-390 million tons of coke. The data show that in 2009 China produced 34.52 million tons of coke, and the apparent consumption of coke was 344.64 million

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