| Certificates |
| [2015] Eco-Label Certificate- lead-free bronze |
| [2016] Eco-Label Certificate- corrosion resistance brass |
| [2016] Eco-Label Certificate - lead-free brass |
| [2016] Eco-Label Certificate - low-lead brass |
| Certificate of Registration - Quality Management |
| Certificate of Registration - Environmental Management |
| KS product certificate |
| Patent certificate (Brass which maintains a golden color and manufacturing method) |
| Patent certificate (Excellent corrosion resistance brass and manufacturing method) |
| Patent certificate (Lead-free free-cutting bronze for casting and manufacturing method) |
| Patent certificate (Lead-free free-cutting bronze) |
| Patent certificate (Brass for casting and the method of manufacturing) |
