Industry Updates- Zhejiang Haiwei Technology Co., Ltd.

Factory area to expand fourfold by the end of 2020

08 Apr, 2019

In 2019, the company entered the volkswagensealing ring whitelist

21

Aug, 2026

What Causes Automotive Water Pump Seals to Fail Prematurely

Installation sets the initial position of a seal, so even a small error can affect how pressure is distributed around the sealing surface. A seal that sits at an angle may have stronger contact on one...
14

Aug, 2026

Why Material Selection Matters For Rectangular Seal Ring In Long Term Use

A sealing ring may look like a small part within a larger assembly, yet material choice can influence how well the seal maintains contact during long periods of operation. Shape alone does not determi...
07

Aug, 2026

What Makes a Rectangular Seal Ring Different From Round Seals

Seals do their job through contact between the sealing element and the mating surfaces, and the shape of that element really determines how that contact plays out. A seal with a round cross‑section co...
31

Jul, 2026

What Factors Affect Durability Of Industrial Rubber Oil Seal In Daily Operation

Oil seals perform a specific job in rotating equipment. They keep lubricants where they belong and keep contaminants out. A seal sits between the rotating shaft and the stationary housing, maintaining...
24

Jul, 2026

How to Choose Right Custom Seals and Gaskets for Different Pressure Conditions

Many industrial systems depend on sealing components that remain almost unnoticed during normal operation. Pumps, valves, cylinders, pipelines, and mechanical assemblies all contain sealing points whe...
17

Jul, 2026

What Materials Are Used In Automotive Water Pump Seals Design

An automotive water pump operates under conditions that place fairly unusual demands on its sealing components. Coolant flows through the pump across varying temperatures, from cold starts through to ...
10

Jul, 2026

Why Do Engine Oil Filter Gasket Choices Affect Sealing Reliability

A sealing part may look small, yet its role in an engine is not small at all. Once oil begins moving through the lubrication path, every joint in that system has to stay closed enough to keep pressure...
03

Jul, 2026

Why Rectangular Seal Ring Design Is Used In Special Sealing Structures

Inside many mechanical assemblies, sealing parts sit in narrow spaces where fluid or pressure tries to escape through very small gaps. Those gaps may not be visible, yet under working pressure they be...
26

Jun, 2026

What Are Common Application Scenarios For Industrial Rubber Oil Seal

An Industrial Rubber Oil Seal serves a simple yet important purpose. It keeps oil in and dirt out. The seal fits between a rotating shaft and the housing that surrounds it. The seal prevents fluid fro...
19

Jun, 2026

Why Are Automotive Water Pump Seals Important In Thermal Resistance Systems

Cooling systems in vehicles work quietly in the background, yet their stability depends on several small components working under constant stress. Among them, Automotive Water Pump Seals sit in a posi...
12

Jun, 2026

Which Materials Are Commonly Used For Oil Filter Anti Drain Valve Performance

What Is an Oil Filter Anti Drain Valve and Why Material Choice Matters Oil Filter Anti Drain Valve sits inside an oil filter and controls whether oil stays inside the filter after the engine shuts dow...
05

Jun, 2026

What Makes Automotive Water Pump Seals Suitable For Engine Applications

Inside an engine cooling circuit, fluid never stays still for long, since circulation is maintained alongside pressure fluctuation and heat transfer between connected components, while mechanical rota...

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