... Rexroth products, all reversing valves are Rexroth products, and all hydraulic hoses and couplers are imported products.The engine is under the ... license made in China. 2. The reversing control is electric-hydraulic type. The electric part is controlled by PLC, which is ... , OMRON, Siemens, LG, etc. 6. The open loop of the hydraulic system is air cooled to keep the oil temperature below ...