2.USA professional engineer and with 5 utility models and 5 patents. 

3.GRH OEM and with 370 professional employees, 4 work shops total 22000 square meters. 

4.208 pcs machanical and test equipments.

5.100% factory testing and inspection personnel in accordance with international standards for the high-frequency sampling,to ensure the quality of products manufactured.

6.become TEREX,JOHN DEERE, HYDAC,AGCO,EATON ,NEW HOLLAND ,GARONER DENVER and MAHINDRA supplier.