Tianjin Yixin Da Steel Co., Ltd. is a large enterprise engaged in the production of square pipes, rectangular pipes, hot-dipped galvanized round pipes, high-frequency straight seam weld pipes, galvanized seamless pipes, and steel架管. The company primarily sells galvanized square pipes, galvanized square rectangular pipes, galvanized steel pipes, and galvanized round tubes, among other galvanized products. All products comply with * standards and are suitable for various fields including engineering, coal mining, textile, power, boilers, machinery, and military industries. For many years, the company has adhered to a market-oriented approach, prioritizing customers, holding quality as the lifeblood of the enterprise, and treating integrity as the foundation of management. It has steadily progressed with a serious and rigorous approach, continuously expanding and growing. The company has established multiple service systems and formed a sales network covering the North an...