Certificate of Membership of IRRIGATION ASSOCIATION

Certificate of ISO 9001:2008

CERTIFICATE OF JP75-300

CERTIFICATE OF DPP-327

CERTIFICATE OF DYP-327

patent for utility models of DYP by State Intellectual Property Office of the People's Republic of China

patent for utility models of towing machine by State Intellectual Property Office of the People's Republic of China

patent for utility models of DPP by State Intellectual Property Office of the People's Republic of China
