| 1. | 2007 china int l locks , security and fittings show 2007中国国际锁具安防产品展 |
| 2. | China int l lock , security fittings show 2007 2007中国国际锁具与安防产品展 |
| 3. | China int l lock , security fittings show 2005 2006中国国际锁具与安防产品展 |
| 4. | Shaoxing dayong suoxian development manufacture co . , ltd 绍兴市大勇锁具开发制造有限公司 |
| 5. | 2007china int l construction hardware diy home improvement show 2007中国国际锁具安防产品展 |
| 6. | 2007 china int l construction hardware diy home improvement show 2007中国国际锁具安防产品展 |
| 7. | 2004 china int l construction hardware diy home improvement show 2006中国国际锁具与安防产品展 |
| 8. | Rules for inspection of locks for export 出口锁具检验规程 |
| 9. | Donghui lock industry co . , ltd 东辉锁具实业有限公司 |
| 10. | Chinese product memoir 中国锁具产品研究报告 |