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Steel wing fireproof lock catch

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


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