Yes, we ensure sufficient inspection of the finished products before they are shipped out of the factory. Suzhou Ultimate Sealing Technology Co.,Ltd. has been focusing on the manufacturing of O ring for years. We are proficient in conducting quality control methods, including appearance inspection, tests on product performance, and functionality inspections. There is a quality control team arranged for product quality enhancement. Once there are defectives found, they will be removed to increase the pass rate. If you are interested in our quality control process, please contact us to apply for a factory visit.

Ultimate Seal has been dedicated to the creation, production and sales of rubber parts. As one of Ultimate's multiple product series, rubber strip series enjoy a relatively high recognition in the market. This product has good strength. Various types of load such as steady loads (dead loads and live loads) and variable loads (shock loads and impact loads) have been considered in designing its structure. This product is lead and mercury-free, which contributes to environmental durability and the human body. Besides, users can recycle it to further reduce pollution.

NBR ED ring is the core value of the brand Ultimate. Inquire now!