Guangdong STL Fastening System Co., Ltd.
广东史特牢紧扣系统有限公司
| material | non-metallic material |
| grade, rigidity | grade 12 |
| Coating | electroplating |
| 晋元达企业专业生产GB862.2/DIN6798B标准的外锯齿垫圈.外锯齿垫片.工业介子类产品.全部采用65MN.SK5.SUS304.316等国产进口优质钢材.全部经调质处理可绝对保证产品性能.同时可按要求对所有不锈钢进 | |
