Zhuzhou Jianfeng Special Metal Co.,Ltd.,established in the 1990's, has been engaged in the production and development of tungsten products. Now we can product 300 tons tungsten products, ,all of which have sold to more than 50 countries such as American, Korea, German, Sweden and ***in. All the products are widely used in the industries of medical, machinery, electronics, chemistry,construction, aviation ,aero***ce and so on....