The instruction manual is always beside ED ring. If no such instruction manual is found, you are welcomed to contact us. Then an electronic version may be offered. The instruction manual is aimed at offering you detailed operation and installation info. If you find it hard to understand, video or other effective ways may be available based on the demand.
Suzhou Ultimate Sealing Technology Co.,Ltd. Seal is a well-known expert in China rubber parts field. The ED ring is one of the main products of Ultimate. Ultimate FKM o ring complies with the most important European safety standards. These standards include EN standards and norms, REACH, TüV, FSC, and Oeko-Tex. One of the key benefits is energy keeping. The product consumes less electricity than traditional kinds of lighting, benefiting users to cut cost in illumination.
Such corporate culture as NBR ED ring supports Ultimate Seal to ride over hard times and grow stronger. Inquiry!