Copper Square Lock with Iron Plated Beam is a product manufactured by Sanhuan Lock Industry Pujiang Co., Ltd. The beam is made of iron with electroplating technology, and the lock body and the lock core are made of copper. The lock core uses advanced technology and can be replaced. The key is made of iron. It has features such as anti-theft and anti-rust, is safe and reliable, and has exceptional quality. The wholesale price is negotiable.