Ameca international business co. Ltd. Is located in the city of dongying, Shandong province of China, where shengli oilfield, the second largest oilfields, is located. Ameca has business activities participating in marketing oil production equipments in upstream oil industry, with such equipments as wellhead units, casings, tubings, sucker rods, polish rods etc., and stainless steel pipe, line pipes, and valves.