BAOSHI.Founded in 2006, BAOSHI specializes in manufacturing pipe fittings for oil, petrochemical and coal industries, and has passed ISO9001, API Q1 and ISO14001 certifications. Our core products include self-expanding oil-water seals, high-pressure flame retardant hoses, composite hoses and corrugated metal compensators, covering the needs of the whole process of drilling, transportation and sealing. With forging and casting process and flexible reinforcement technology, we provide high-pressure and corrosion-resistant pipeline solutions to serve the energy and heavy industry.