Where to determine whether a medical catheter manufacturer is formal or not

By some indicators. Formal factory will usually have a business license, tax registration certificate, organization code certificate and other legal documents, but also will have a fixed production site and staff, but also will have a perfect management system and quality control system. Medical catheter silicone rubber has good biocompatibility, aging resistance, stable performance and other characteristics, after decades of clinical use, proved to be a safe and reliable medical material.