Located in Economic & Technological Free Zone, Qingdao city, Ostar has 20 years of experience of the professional manufacture of flanges, pipe fittings and auto spare parts in China. The factory was founded in 2002. Ostar has outstanding production and export businesses supply for Oil & Gas, Petrochemical, Electrical & Power, Marine & Shipbuilding, Construction, and ocean engineering industries in the region. Best quality products has been sold far around the world and are very popular with vast number of customers in the international market such as Europe, America, Germany, Africa and Southeast Asia, especially in the Middle East market such as U.A.E, Iran, Oman, Iraq, Saudi-Arabia, Qatar. Ostar has the powerful technical support system and complete quality control and quality guarantee system. Ostar took the lead to pass the - ISO9001: 2000 quality system certification and international ISO.TS16949 quality system certification in 2002. ...[More]r/ Ostar has Honesty and credit. For the prosperous market and global exchange, friends from all over the world are welcomed to our company for cooperation.