about usabout us

HAINAR Hydraulics CO., Ltd. commenced manufacturing hydraulics hose fittings, adapters and hydraulic hose assembly in 2007, Our product range and main product line is for High-pressure hydraulic fittings and hose assembly.

After 14 years develop, HAINAR Hydraulics got a good reputation in domestic customer and oversea customers. We supply the hydraulic high-pressure hose assembly and fittings to machinery factory in domestic market. Such like injection molding machine, Construction machinery, mining machinery and drilling machine Fishing Equipment for ship etc. Now we have 40% of our hydraulic hose fittings, adapters and hydraulic quick couplings are exported to Western Europe, Eastern Europe, North American, South American and South East Asia.

Featured productsFeatured products

latest newslatest news

  • Can Hydraulic Fittings Always Handle High Pressure?

    Not every hydraulic fitting stands up to high pressure. The right choice depends on material and design. If someone uses the wrong hydraulic hose fittings or stainless steel fittings, trouble can follow. Check out these common safety incidents: Safety Incident Description and Consequences Hose Bursts Sudden hose rupture causing hydraulic fluid injection injuries that penetrate skin, requiring urgent medical care. Equipment Damage Burst hoses cause damage to valves, pumps, cylinders, and nearby components, leading to costly repairs. Operational Downtime Hose failures halt operati...

  • The Historical Origins of Tapered Threads: From the Industrial Revolution to Modern Applications

    Tapered threads, widely recognized in today’s piping and hydraulic systems, have a long and fascinating history that can be traced back to the Industrial Revolution. As steam engines, boilers, and chemical equipment rapidly expanded across the 19th century, engineers faced an urgent challenge: how to connect pipes in a way that could withstand high pressures while minimizing leakage.   Early solutions relied on straight threads combined with sealing materials such as hemp fiber, red lead, or other fillers. While functional to a degree, these methods often failed under the harsh conditi...

  • How should you choose hydraulic fittings to ensure system compatibility?

    Selecting the right hydraulic fittings keeps a system safe and leak-free. They must match system pressure, temperature, and fluid. Brass fittings, hydraulic hose fittings, and stainless steel pipe fittings each have unique uses. Mixing standards or using the wrong hydraulic fitting can cause leaks, weak connections, or even equipment damage. Size and thread types must match to avoid pressure loss. Material must suit the fluid and environment. Always check manufacturer and industry standards before choosing. Key Takeaways Choose hydraulic fittings that match your system’s pressure,...

  • How to Choose Fittings Materials for Various Applications

    Selecting the right fittings material is critical for ensuring durability, safety, and efficiency across diverse industrial and commercial scenarios. The choice hinges on key factors like the medium being conveyed, temperature, pressure, and environmental conditions. Below is a guide to material selection for common applications: 1. Based on Medium Type • Water/Non-corrosive Liquids: ◦ Copper is preferred for its excellent conductivity and ease of machining, making it ideal for plumbing and general fluid systems. ◦ 304 Stainless Steel offers better rust resistance than copper, suitable for ...

  • What Are the Essential Steps to Choose Hose Fittings for Industrial Use in 2025

    Selecting hose fittings for industrial use starts with knowing the fluid type, pressure, and temperature needs. Users check if hydraulic fittings, stainless steel hose connector, or Parker hose fittings fit the job. They avoid mismatches to prevent leaks or damage. Many consult experts when choosing hydraulic hose fittings for safety. Key Takeaways Know your system’s fluid type, pressure, and temperature needs before choosing hose fittings to prevent leaks and damage. Match hose fitting materials and sizes carefully to the application and environment for safety, durability, and better per...