The Sanhuan Long-barrel Lock is a product manufactured by Sanhuan Lock Industry Pujiang Co., Ltd. The lock beam is made using electroplating technology, and the lock body is a thick and heavy-duty stainless steel. The lock core is made of copper, and the key is a copper or iron cross-shaped key. It has features such as anti-theft and anti-rust, is safe and reliable, and has exceptional quality. The wholesale price is negotiable.