| 4. | The annual output is 5 , 000 tons of flanges and 1000 tons of forging parts , the main products of our company include : welding - neck flanges , slip - on flanges , blind flanges , threaded flanges and plate flanges etc . , with specification from 1 2 to 80 dn2000 . we can supply above - mentioned standard flanges of din , ansi b16 . 5 , bs4504 , jis , uni , nsand asetc . we can also manufacture special application flanges and forging parts that customer required 我公司年产法兰5000吨锻件1000吨。主要生产德国标准din美国标准ansi b16 . 5英国标准bs4504日本标准jis意大利标准uni挪威标准ns澳大利亚标准as和中国标准gb hg jb等国家标准的法兰 |