Company News 2026-02-26 #35 Carbon Steel Plugs: Galvanized, Zinc-Nickel Alloy, Black Oxide Finishes – Excellence Proven by Salt Spray Tests In industrial piping systems and mechanical equipment sealing fields, plugs, as sealing fittings, their material strength and corrosion resistance directly affect the safe and stable operation of equipment. As a professional factory focusing on plug R&D and production, Aohong always takes quality as the core. We mainly select high-quality raw materials such as 35#, 45#, 304 stainless steel, and 316 stainless steel for production. Read More
Enterprise News 2025-05-28 20 Automated Machines Empower the Upgrade of Plug Manufacturing Industry In 2024, Chuanna Hardware Products Co., Ltd. focused on investing in 12 automated product assembly machines with the three core goals of "improving productivity, reducing loss, and ensuring quality". These machines are specially used for assembling ED rings and thread protectors on plugs, aiming to solve a series of problems existing in traditional manual assembly. Read More
Enterprise News 2025-05-28 How to Choose Plugs Made of 35# Carbon Steel / 304 Stainless Steel / 316 Stainless Steel? In industrial pipeline and equipment oil circuit sealing applications, the selection of plug material directly affects service life, safety, stability, and cost control. As a factory specializing in plug production, we often receive inquiries from customers: "What material should I use for normal working conditions?" "Should I choose 304 or 316 for corrosive environments?" Today, taking our core materials—35# carbon steel, 304 stainless steel, and 316 stainless steel as examples. Read More
Enterprise News 2025-05-28 Aohong Hydraulics: Empowered by 20 Automated Machines, Leading the Upgrade of Plug Manufacturing Industry Amid the increasingly fierce competition in the hardware manufacturing industry, Aohong Hydraulics, focusing on the plug segment, is breaking through development bottlenecks through equipment upgrades. With the continuous growth of downstream market demand, the demand for O-ring plug products from our cooperative customers has increased significantly, and the requirements for product precision and delivery cycles have become more stringent. Read More
Corporate News 2025-05-28 2025 Shanghai International Hardware Exhibition Participation Recap — Showcasing Four Core Plug Series and Pipe Fittings, Demonstrating Intelligent Manufacturing Craftsmanship In October 2025, the China International Hardware Show (CIHS) opened in Shanghai. As an important professional exhibition in the global hardware industry, this exhibition gathered high-quality enterprises and purchasers from home and abroad, serving as a core platform to demonstrate industry strength and link global supply and demand. As a sales representative of Aohong Hydraulics Hardware Factory, Read More
