DAZHENGSHIHUA.DAZHENGSHIHUA was established in 1984 and is headquartered in Nanyang, Henan Province. It is a professional manufacturer of pipeline fittings. The company holds ISO9001, ISO14001, and OHSAS18001 international certifications, along with a Special Equipment Manufacturing License and AX-grade anti-corrosion qualification. Products strictly adhere to domestic and international standards such as GB and ASME. Its core offerings include steel elbows, flanges, and anti-corrosion pipelines, widely applied in petroleum, natural gas, power, and other industrial sectors. With high precision and corrosion resistance, these products meet the demands of long-distance pipelines and facility construction, establishing the company as a core supplier in the industry.