March 16, 2011, Putzmeister Shanghai CAO Mr.Yuan, purchasing manager Mr.Xu, after-sales director, technician engineer Mr. Tuang and quality engineer Mr.Zhang visited our company.

    Our president Mr.Qin made a detailed introduction of our twin-wall pipes and twin-wall elbows and communicated with PM experts about some technological details. PM experts gave a full recognition of our products, and also gave some very constructive opinions. The conference made great achievements.