Jianlang is an old domestic brand established for more than 20 years. We have our own independent workshop with an area of 1 1 000 square meters, integrating production and storage. Is the first company in China to start sewing automatic packaging line. In addition to good equipment, Jianlang also has a professional R&D and sealant design team. Most of the team members have master's degree or above, and have authorized the sealant-related patents 1 item: CN 1050848 14A.