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| 1.金屬伸縮接頭 / Metallic Expansion Joint | |
| 2.非金屬伸縮接頭 / Non-Metallic Expansion Joint | |
| 3.橡膠伸縮接頭 / Rubber Expansion Joint | |
| 4.金屬及非金屬軟管 / Metallic & Non-Metallic Flexible Hose | |
| CHUNG YU has passed the following ISO Assessment : | |
| 1.ISO-9001 證書號碼 / Certificate No. : 49058 | |
| 2.ISO14001證書號碼 / Certificate No. : 92166 | |
| Contactor : Miss Liang , GM Liang | |
| TEL : (886)-7-7875621 | |
| FAX :(886)-7-7875047 | |
| E-mail : cybellow@ksts.seed.net.tw | |