Ezhou Renyiju Metal Materials Co., Ltd. was established on February 10, 2000. The company owns Hubei Baijielong Superhard Materials Co., Ltd. and Hubei Jingshi Technology Co., Ltd. It is located at No. 261, Yanji Avenue, Ezhou City, adjacent to the Baijielong Dragon Dance Museum, a UNESCO World Intangible Cultural Heritage site. The company has served as the Secretary-General Unit for three consecutive terms in the Ezhou Diamond Tools Industry Association and has been honored as "Hubei Province Contract-abiding and Creditworthy Enterprise" and "Hubei Province Entrepreneurial Star."

With over two decades of deep cultivation in the metal materials sector, the company primarily deals in electrolytic copper powder, tin powder, cobalt powder, nickel powder, iron powder, and pre-alloyed powders. These products are widely used in powder metallurgy, diamond tools, and other fields, providing a stable material guarantee for the industrial chain.

Its subsidiaries focus on the R&D, production, and sales of diamond tools, with core products including Φ105–500mm diamond sintered blades, brazed blades, and drill bits, suitable for cutting engineered stone, natural stone, ceramics, glass, and more. The company holds full import and export qualifications, and its products are sold to markets in Europe, America, the Middle East, and other countries and regions, earning international recognition for quality.

Adhering to the business philosophy of "innovation-driven, integrity-based, teamwork, and continuous improvement," the company has built an integrated service system covering R&D, production, sales, and after-sales support. Looking ahead, the company aspires to realize its vision of "employee happiness, customer trust, and industry benchmark" by advancing green and intelligent upgrades, thereby contributing to the high-quality development of the superhard materials industry.