Shandong Yishunyuan Metal Material Co., Ltd. is located in Liaocheng, the "Steel Pipe Capital of China", with a registered capital of 11 million yuan. It is a comprehensive steel enterprise integrating R&D and sales. At present, the company’s main business covers: metal surface treatment, pickling and passivation of internal and external derusting seamless steel pipes, and supporting national standard seamless steel pipe fittings.