rexcon - burlington, wi. manufacturer of custom stationary portable concrete batch plants, mixers, automation controls, pavers placing equipment. concrete batch plant automation controls can be adapted to any brand of concrete plant. distributor of replacement concrete equipment, including drums, liners, ring gear, charging chutes blades. liebherr concrete,portable dry mix mortar plants equipment in south africa,ja plant is one of the biggest manufacturers of concrete batching plants in south africa. we also do repairs to a variety of industry related equipment making us extremely competitive in our field. address. 494 shannon road, bredell, kempton park.