Title: Zhejiang Shengzhou No. 1 Plastic Factory Description: is the leading manufacture of all types of mine/tunnel ventilation ductings in China,integrating development and production together.Originally,it was known as a collective enterprise.In the year of 2003,it restructurings to a private enterprise.Now,it covers an areas of 10000 square meters... Tags: ventilation duct fabric ducting accessories Category: Shengzhou URL: http://www.ftbu.com