Suzhou Jiarong Security Technology Co., LTD is well known worldwide as a manufacturer of Lock Cylinders. We provide both ANSI cylinder and Europe profile cylinder over the world. Many famous security companies, such as Schlage, Falcon, Kwikset, CISA, Mul-T-Lock, are our long-term customers.The stable quality of our product and on-time delivery are always recognized by our customers. We also have strong R&D ability to work with customers to design or customize new products.