... Developing Zone, Hengshi City, Hebei Province, China.1. Characters of BAOLI COAL MINE CEILING GRID:Biaxial tensile plastic grids for ... Ltd., which according to the objective of Humanity, Safety, at same time peoper attention the principe of easy contruction, cost reduction. This ... coal, protect works and tramcars safety.2. Products Purpose of COAL MINE CEILING GRID:This products mainly used in coal ...