Zhejiang Ruike Pipeline Equipment Co., Ltd.) Our company is a company specializing in the production of stainless steel flanges, pipe fittings, valve parts, and mechanical parts. It is also a comprehensive enterprise integrating the research and development, manufacturing and sales of pipeline equipment. The leading products include: Chemical Industry Ministry, Machinery Ministry, National Standard, German Standard, Japanese Standard, American Standard, Russian Standard, British Standard and various marine (flat welding, butt welding, composite lining) flanges, large-diameter flanges, pressure