Jianhwa Enterprise Co. Ltd. is based in Taiwan and lists products on Global Trade Plaza including Stainless Steel Fastener, 4 Spindles Tapping Machine, and Socket Set Screws. The Stainless Steel Fastener product details materials such as 18-8 (A2), 316 (A4), and 410 grades, and includes standards per ANSI, DIN, and JIS specifications, covering hex nuts, flange nuts, nylon lock nuts, and various screw types like wood screws, machine screws, and self-drilling screws in sizes M3~M8 and #4~5/16 with lengths from 6~200mm. The 4 Spindles Tapping Machine is described as an automatic nut tapping machine suitable for hexagon, square, flange, and nylon nuts, featuring independent spindle operation, PLC control, adjustable tapping speed, and compliance with CE standards, with compatibility for various DIN standards including hexagon thin castle nuts (DIN 937, 979) and square weld nuts (DIN 928, 929). The Socket Set Screws product includes hexagon socket set screws conforming to DIN 913 and DIN 914 standards, available in carbon steel and stainless steel materials, with surface treatments such as zinc plating (ZP) and black phosphating, and sizes ranging from M5 to M24 with lengths from 5mm to 60mm, along with customizable options for surface finishes and point types.