Longquan Co., Ltd. is an A-share listed enterprise on the Shenzhen Stock Exchange under Jianhua Holding Group. The company's core businesses encompass the manufacturing, sales, and installation of concrete pipelines including Prestressed Steel Cylinder Concrete Pipes (PCCP); R&D, production, and distribution of metal fittings and steel pipes (including 3PE anti-corrosion steel pipes and stainless steel corrugated pipes); full lifecycle management services for underground pipeline networks; and the development of power station valves.

The company has been consistently recognized as one of "China's Top 10 PCCP Enterprises" by the China Concrete and Cement Products Association for multiple consecutive years. It has also been honored with prestigious awards including the "Outstanding Enterprise" in the 40th Anniversary Contribution Awards by the China Society for Corrosion and Protection, the "Special Contribution Award" for 30 years of PCCP industry development, "China's Top 100 Most Growth-oriented Building Material Enterprises," and "China's Top 500 Building Material Enterprises." Additional accolades include certifications as a "Contract-abiding and Credit-worthy Enterprise," "China's Outstanding Building Materials Enterprise," and "Shandong Industrial Outstanding Contribution Enterprise." These honors collectively demonstrate its leadership in technical innovation and industry influence within China's building materials sector.