Okpokoro Grid bụ okpokoro e mere site na usoro ntanetị nke sitere na ụkpụrụ ọdịnala ndị China, bụ ebe a na-eji ụdị osisi a na-akpọ Dougong (Dou Gong) mee ihe n'akụkụ dị iche iche nke ụlọ. Site na iji usoro nke osisi emechi emechi, ichikota okpokoro bu kwa usoro imuta ihe banyere ihe ahu na inweta ihe omuma. Ihe nkwado (Dou Gong) bu nke ihe atumatu modular nke enwere ike igbasasi ike na ebe nchekwa.