Shandong Yishunyuan Metal Materials Co., Ltd. focuses on the field of metal materials, especially products such as seamless steel pipes, and is committed to gaining market recognition and customer respect with professional and high-quality products. Guided by the market, the company provides humanized and professional services featuring "traceable products, reliable quality and controllable prices" for customers. At present, the company’s main business covers metal surface treatment, seamless steel pipes with internal and external rust removal through pickling, phosphating and passivation, as well as supporting seamless pipe fittings in line with national standards. For most of its business, it has already established stable and long-term strategic cooperative relationships with many well-known domestic engineering brands and equipment processing enterprises. In addition, the company always has a rich stock of seamless steel pipe products in line with national standards for customers to choose from on their own. The outer diameter specifications range from 12mm to 630mm, and the wall thickness can be selected from 2mm to 20mm. Piping and rack pipes can be customized according to customers’ requirements. The executive standard for 20# is GB/T 8163-2018; the executive standard for 16MnDG is GB/T 18984-2016; the executive standard for Q345E is GB/T 6479-2013; the executive standard for pipe fittings in line with national standards is GB/T 12459-2017. All inspection application materials are complete.