“…The involvement and hegemony of the West Coast Harbour area of West Sumatra; starting from the South, Port of Indrapuro, Salido, Teluk Bayur, Pariaman, Tiku, to the northernmost coastal area, namely Air Bangis in playing an important role in international trade routes in the West Coast Region of Sumatra, with Aceh, Gujarat, the Malacca Strait, and even up to Sunda Kelapa Harbour in Banten. However, at this time, its role as a trade centre for the West Coast region has begun to diminish with the lack of integration of trade in the interior of West Sumatra with other regencies and cities, and the lack of integration of trade in West Sumatra with other cities and towns the economic corridor of Sumatra and ASEAN, so that the trade competitiveness of the main commodities of the province of West Sumatra is low and its economic value added is captured by external regions and neighbouring countries (Ansofino et al, 2019;Ansonfino et al, 2021). The factor causing the uncompetitive trade of the main commodities of the province of West Sumatra in the economic corridor area is due to the low added value of the commodities produced, so that this added value is captured by external trading partners in the trading system.…”