Yantai Hengyuan Pipe Factory is located in a well-known city-Yantai, China, and Yantai is famous for its scenic beauty. We are close to the airport, harbor, railway station and highway, and the transportation is very convenient. We are one of the leading professional manufacturers of concrete pump spare parts in China. Our main products are: high wear-resistance pump pipes, straight pipes, elbows and bends, reducers, couplings, flanges, rubber end hoses, pistons, rubber seals, sponge balls, wear-plate and cutting rings, cylinders, etc. Most of them have reached advanced world levels in quality and performance. We also manufacture many other casting parts according to customer's drawings and samples. Our special products are high wear-resistance pump pipes-No.20 seamless steel pipes with special treatment. These products' characteristics are: lightest weight (40kgs/3m), thinnest wall thickness (3.5-4mm), more working life (25000-60000 cubic meters), and inside hardness of the wall HRC67-69, with outside hardness of the wall lower than HRC 30. Thus safety coefficient is high, and the pipe is not burst easily. We insist on the principle of "technology innovation and quality first". Based on so many years of accumulated experience and technical development in this line of business, we sincerely hope to establish a long-term business relationship with you and create a glorious future together.