The three ring copper arc-shaped full-frame beam copper hang lock is a product produced by Sanhuan Lock Industry Pujiang Co., Ltd. The lock beam is made of iron electroplated technology, and the lock body and lock core are made of copper. The lock body is polished to make the surface more glossy and the feeling more smooth. The key is a iron leaf key (can be custom-made copper leaf key). It has the characteristics of anti-theft, anti-rust, etc., is safe and reliable, and has extraordinary quality. The wholesale price is negotiable.