... 1000X150X120 OUTSIDE DIMENSION:198X160 Class:D400 Polymer Concrete Channel,concrete water channel CO:150 INTERNAL DIMENSION:1000X150X120 OUTSIDE DIMENSION:198X160 ... in cast iron valve, drainage part, polymer concrete channel and kinds of grates. It prides itself on varies ... ’s products are sold in the market of USA, Japan, Canada, Germany, Denmark, Italia, Belgium, Finland, Holland, Australia , ...