 WENZHOU, China, March 23, 2021 PRNewswire -- ZK International Group Co., Ltd. Nasdaq: ZKIN ZKIN, ZK International or the Company, a designer, engineer, manufacturer, and supplier of patented high-performance stainless steel and carbon steel pipe products that require sophisticated water or gas pipeline systems, today announced that the Company has been chosen as a key supplier for Guangyuan municipal natural gas supply infrastructure program and entered into a two-year Strategic Procurement Agreement with Guangyuan Natural Gas Supply Group Co., Ltd. 