Model No.: Various
High-density Polyethylene Manhole Covers be manufactured by Ro-spring company
with ISO 9001:2000 certification for design and manufacture of PE manholes and
with ISO 14001:2004 (environmental certification).
Changxing Ro-spring Road Facilities Co., Ltd
Contact Person: Spring Lee
Address: Huajin Road Lijiaxiang Industrial Park,Changxing County,Huzhou,Zhejiang