积极参与国际市场大循环加速发展企业外向型经济董兆清山东成山橡胶（集团）股份有限公司“八五”以来，在国内原材料及轮胎市场竞争激烈的情况下，适时调整经营战略，在继续巩固国内市场的同时，积极参与国际市场竞争。通过实施代理与自营兼顾，出口与进口并举的经营战略... Actively participate in the international market cycle to accelerate the development of export-oriented economy Dong Zhaoqing Since the “Eighth Five-Year Plan” of Shandong Chengshan Rubber (Group) Co., Ltd., in the fierce competition in the domestic raw materials and tires market, it has adjusted its business strategy in a timely manner and continued to consolidate the domestic market. At the same time, actively participate in the international market competition. By implementing agency and self-employment, the business strategy of exporting and importing simultaneously...