... API,SO9001,ISO9002 As a trading company, our business, Liaocheng Huililai Import and Export Co., Ltd, has developed into seamless steel ... of the biggest agent of Chengdu Steel Group Co., Ltd., Baotou Steel Group Co., Ltd., Anshan Iron and Steel Company, Baoshan Steel ... Corporation and Tianjin Steel Pipe Group Co., Ltd. in China. Packaging & Deliveryapi 5lb seamless steel pipe ...