Steel wing fireproof lock catch
- 产品介绍
Product introduction
Technology and technology
Material: Q235B, manufactured according to DIN N 10025 standard.
Galvanized: galvanized, thickened 8um, processed according to GBT9799 standard.
Patent No.: ZL201120071049.8 counterfeit.
Other anticorrosive treatment: hot-dip galvanizing, stainless steel
