... :1000X150X120 OUTSIDE DIMENSION:198X160 Class:D400 Polymer Concrete Channel,concrete water channel CO:150 INTERNAL DIMENSION:1000X150X120 OUTSIDE DIMENSION:198X160 ... specialize in cast iron valve, drainage part, polymer concrete channel and kinds of grates. It prides itself on varies ... EN1433 and ISO9001:2000 certificates 2 our polymer concreter channel with different grate and shpes. we also can make ...