Shandong Liangshan Zhengyang Trailer parts Co. LTD, is a design, manufacturing and sales of integrated enterprise. Our company is a leading manufacturer of trailer axles assembly, providing all kinds of suspension system and other trailer parts. Strict quality management system, advanced production techniques and excellent service make our
Products popular in the world. We obtained the ISO9001:2000 international quality management system certification. "first-class product quality, advanced technology, thoughtful service" is the philosophy we always cherish.