Hei Yan Int'L is located in the mother town of carbon steel pipe fittings, pipes-Mengcun, Cangzhou, Hebei, China Hei Yan Int'L manufacture forming machines, press machine to finished steel pipes, pipe fittings.Hei Yan int'L owns 5 branch factories which produce hot forming pushing machine, expanding machine, seamless steel pipe, welded steel pipe , carbon steel pipe fittings and casting productsHei Yan int'L is happy to supply small or big diameter machineries to customers.Hei Yan int'L likes to produce small quantities pipe, pipe fittings at beginning for a new customer.You can count on Hei Yan Int'L Group to give you the good carton machines, pipe products, casting products, CNC products Depends on rich experience of our selling department, strong sales network of forming machine , steel pipe, pipe fittings and good reputation in this industry.Hei Yan Int'Lhave more than 20 years experience of producing pipe expanding machine, elbow hot forming pushing machine, hydraulic press machine etc. Hei Yan Internation Development Limited Company is a regular cooperator with pipeline project ministry of State Grid, head company China .