Yuhong Holding Group Co., LTD
ASTM A335 GR.P9 Pembuatan tabung sirip tanpa jahitan baja paduan2024-03-14 16:05:02 |
ASME SB165 Monel 400 ( NO4400, 2.4360) Tabung Mulus Paduan Nikel2021-11-25 15:43:38 |