China lock manufacturer MAKE provides one-stop 자전거 자물쇠 solutions, U자 자물쇠와 같은, 체인 잠금 장치, 케이블 잠금 장치, 등, and various materials and surface treatments are available.

U-lock uses a solid lock body, which is zinc and chromeplated, and electrophoretic surface treated. It is strong and durable, can provide combination lock protection, and is safe and anti-theft.

Chain lock is made of iron and zinc alloy materials, with electrophoresis, 크롬 도금, and zinc plating surface treatments, making it strong and durable. The chain is thick and equipped with nylon cloth cover, 방수 및 녹 방지.