Chengming copper thick type long beam pull light hanging lock is a product of 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 one-word key. It has the characteristics of anti-theft, anti-rust, etc., is safe and reliable, and has extraordinary quality. The wholesale price is negotiable.