ACEI Screw Plug Inc.
宁波爱德油塞制造有限公司
| material | Alloy Steel |
| grade, rigidity | grade 10.9 |
| Coating | black oxide coating |
| 材料：低碳钢、中碳钢、高碳钢、合金钢、不锈钢；规格：齐全；表面处理：镀锌、电解、钝化 Material: low carbon steel, medium carbon steel, high carbon steel, alloy steel, stainless steel; Specification: complete; surface treatment: galvanized, electrolyze, passivation |
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