This is Hebei Haihao High Pressure Flange & Pipe Fitting Group Co., Ltd.Our company is a manufacturer specialized in producing flanges and pipe fittings.We can produce different specifications of high, medium and low pressure pipe fittings in national and international standards, such as flanges, elbows, Tee, convergent pipes, pipe caps, big elbows and socket joints made of stainless steel, alloy steel and carbon steel. The annual productive capability is more than 80,000 tons.Our products are primarily used for Oil & gas pipeline, Electrical power engineering,Marine projects,Chemical engineering,and constantly exported to Asia, Europe and The Americas. We have been passed the authentication of ISO9001:2000,ABS,BV,and in industry for over 30 years.