Shanghai Sona Shock Absorber Co., Ltd is a professional manufacturer engaged in the research, development, production, sale and service of shock absorbers. We are located in shanghai and have convenient transportation access. We have developed from a small enterprise into a comprehensive group. Now we have two factories and two trading companies. Our two manufactories are located in Gongyi city of Henan province and enjoy convenient access to major transportation networks. Our factories cover an area of 5600 square meters, the five workshops and offices are about 4100 squares and have around 173 staff members and 15 senior engineers. Furthermore, all our products are manufactured with advanced equipments and strict QC procedures in order to ensure high quality.

Dedicated to strict quality control and thoughtful customer service, our experienced staff members are always available to discuss your requirements and ensure full customer satisfaction. In addition, we have attained ISO9001:2008 certificates. n recent years, our factories have introduced a series of advanced equipment, including a 5600*18500 large scale sculpture, blaster equipment, ,steam boilers, welding equipments, vertical boring mills and drilling machines, large calendar, rubber rolling machine, large curing machine, rubber joints’ forming machine and so on. To ensure quality, we have more than 20 QC members to carry out strict inspection at each stage: incoming inspection (IQC), in-process inspection (IPQC) and final inspection (FQC).We have also introduced component testing equipment, fatigue testing equipment and pressure test equipment etc, which allow us to make products that meet international standards. We devote to the development of environmental, machinery and municipal works, chemical industry, construction and some other industries.

At present, our products include more than 20 types, such as flexible synthetic single ball and double rubber joints and thread joints with unequal diamet