List of vanadium-nitrogen alloy production enterprises?

Hello, at present, there are not many enterprises that can produce qualified vanadium-nitrogen alloys in China, mainly the top three well-known vanadium-nitrogen alloy manufacturers. The production quality and quantity of these three enterprises are the top three in China, so you can find them to purchase. 1. Pangang Group (designed and produced 4000 tons of vanadium-nitrogen alloy, and actually produced 2500-3500 tons of vanadium-nitrogen alloy). 2. Anyang Yuqianxin Metallurgical Refractory Co., Ltd. (designed and produced 2200 tons of vanadium-nitrogen alloy, and actually produced 1000- 1500 tons of vanadium-nitrogen alloy). 3. Ningxia The actual annual output of vanadium-nitrogen alloy is 1000- 1500 tons). The above three enterprises are the top three in domestic vanadium-nitrogen alloy production. The above production data have been updated since September 28th, 20 10.