Our Board Members

Chief commissioner

SANTO SUMONO

board of directors

WIYONO SUMONO
WIJAYA SUMONO
INDRA KHO

Our Companies


pt. wipolimex raya

Natural Rubber processing factory that mainly produces Technically Specified Rubber ( TSR ) , called Standard Indonesian Rubber ( SIR ).

Main Products :
• SIR 10
• SIR 20


pt. runding putra persada

Palm Oil Plantation and Mill that mainly produce Crude Palm Oil ( CPO ) , Oil Palm Kernel, and Palm Kernel Shells.

Main Products :
• Traceable Crude Palm Oil


pt. grand xumo raya ( four points by sheraton medan )

4★ Hotel consisting of 11 floors with 220 rooms.

Available Room :
• Deluxe
• Business
• Junior Suite
• Grand Suite


pt. polykencana raya

Natural Rubber processing factory that mainly produces Technically Specified Rubber ( TSR ) , called Standard Indonesian Rubber ( SIR ).

Main Products :
• SIR 10
• SIR 20
• SIR 20 CV


pt. polystone indo jaya

Stone processing factory that mainly produces split stone and other products.

Main Products :
• Split Stone


pt. poly bangkinang raya

Natural Rubber processing factory that mainly produces Technically Specified Rubber ( TSR ) , called Standard Indonesian Rubber ( SIR ).

Main Products :
• SIR 10
• SIR 20