Winstar International Development Limited, (WINSTAR) is located in the capital city of Henan province, 180 Kilometers away from Puyang which is one of the China's famous oil field and chemical production city. Winstar International is a subsidiary of Zhengzhou City Unites Steel Industrial Co., Ltd (CUS-Group), a professional manufacturer and exporter of petroleum machinery & parts and petroleum chemicals & other chemicals . We specialized in Petroleum machinery & related parts, Oil tubing & joint, Sucker rod & oil well pump, Drilling tools, Fishing tools, Drill pipe & collar, Petroleum valves. Our chemical products include Petroleum chemicals, Rubber accelerators, Construction chemicals, Food and feed additives. Our petroleum equipments and chemicals conform to API and ISO standards. We have great expertise in the petroleum and chemicals related indust

[Click for details]