Currently the factory of seamless tantalum tube can only produce and anneal the seamless tantalum tube which the longest length is about 6 meters,if exceeding this length,it is difficult to for them guarantee the uniformity of the thickness and it's also hard to get it annealed,Thus affect its use scope.Then the alternate method come out which is the welding tube,but the sealing performance and service life of this kind of welding tube is far from the seamless tube ,With the development of spaceflight, aviation, military, chemical industry and so on the needs of super long seamless tantalum tube rapid increase.

Warmly celebrate Changsha South Tantalum Niobium Co., Ltd smoothly pass through the EICC non conflict smelting factory certification .

Changsha South Tantalum Niobium Co., Ltd Always pay much attention to labor reporting system and the purchasing system of origin material ,we have developed series of policy of the protection of labor rights ,and we also establish the labor union .