50mm Crusher Run, Quarry Sand, Quarry Dust, Granite Dust, Manufacturing Sand, 20mm Aggregate,10mm Chipping and 150mm x 220mm Blocks . 13 / STEEL TRUSS ... Hong Yen Supply Sdn Bhd is a pioneer in the field of manufacturing and supplying high-quality raw building in Malaysia. Our history dates from 1978, and since then, Hong Yen Supply has …