Grade：Ta1，Ta2

                                                      Standar：GB/T14841-2008；

                                                      Purity quotient：more than99.95%；

                                                      Status：M or Y；

                                                      Size：Φ3~Φ20mm*L 20m(Max)

                                                                Φ20~Φ90*L 4m(Max)

                                                                Φ90~Φ150*L 1m(Max)