Nantong Yongda Pipe-making Co., Ltd is a professional large enterprise which is specializing in high-grade steel oil pipes, piping fittings, seamless steel pipes and welded pipes. We are located in Hai'an Industry Park, Nantong City, Jiangsu Province, which is about 1.5H from Shanghai. Registered with 298 million RMB capital, our annual output is about 100,000 tons. With high orientation and brand strategy, we attracted excellent experts with high experience, in order to make the best oil ...