Quality Control

Topa Hydraulic Fitting Quality Control

Hydraulic Fitting Quality Control

Raw material check Topa

Raw Material Check

Rockwell hardness test the material whether they are strong enough to bear the high pressure.

CMM & 2.5D measuring quality control Topa

CMM & 2.5D Measuring

First sample inspection Before we manufacture the mass order, we will inspect the first sample with this machine till to the sample dimension match to drawings.

Three Coordinate Measuring quality control Topa

Trilinear Coordinates Test

Three Coordinate Measuring Machine thread, angle, Internal cone.

Self inspection Topa

Self Inspection

For worker self-inspection, we use small and large boxes, ask them to load 20-30 pcs fitting in a small box, then inspect.

Routing inspection Topa

Routing Inspection

Routing inspection Inspector will make the routing inspection every 1.5 - 2 hours

Semi fittings inspection Topa

Semi Fittings Inspection

Three Coordinate Measuring Machine thread, angle, Internal cone.

after plating inspection Topa

After Plating Inspection

1) we will fully inspect the surface 2) Check threads 3) Use GSG gauges

After crimp inspection Topa

After Crimp Inspection

We will inspect the finished product one by one check size, burr, surface, and so on.

Hydraulic fitting factory-Topa

Hydraulic fitting BV test video

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Machines

Topa Hydraulic Fitting Production and Test Machines

Hydraulic Fitting Production and Test Machines

Production and Test Machines

CNC machine China Topa

CNC machines 

For drilling, cylindrical turning, threading, hot bending, recessing, and chamfering.

CMM & 2.5D measuring machine Topa
CMM & 2.5D measuring machine 

Before Mass production, inspect the first sample with 100% match drawings.

impulse test machine Topa

Impulse test machine

Double make sure that our fittings match with the hose

Rockwell hardness tester Topa

Rockwell hardness tester 

Test the material whether they are strength enough to bear the high pressure.

salt spray test machine Topa

Salt spray test machine 

Ensure the Plating can pass or exceed ASTM B117 Standards.

Three Coordinate Measuring Machine Topa

Three Coordinate Measuring Machine

Measuring Machine precision measurement: thread angle Internal cone.

Hydraulic Fitting Machines Video

High-quality Fitting Supplier-Topa

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Exhibitions

Topa Hydraulic Fitting Foreign Exhibitions

Hydraulic Fitting Foreign Exhibitions

Indonesia

Indonesia exhibition Topa
Topa Indonesia exhibition
Topa Indonesia exhibitions

Chile

Chile exhibition China Topa
Chile exhibition Topa
Topa Chile exhibition

Topa Exhibitions Video

Topa Hydraulic Ffittings Supplier

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Packaging

Hydraulic Fitting Packaging & Transportation

Hydraulic Fitting Packaging & Transportation

hydraulic fitting packing stock Topa

Stock

hydraulic fitting stock Topa

Stock

hydraulic fitting packing Topa

Packaging

Topa hydraulic fitting packaging

Packaging

hydraulic fitting transportation Topa

Packaging

Topa packing hydraulic fitting

Packaging

Topa hydraulic fitting transportation

Transportation

Topa Hydraulic Fittings Manufacturer

Hydraulic Fitting Packaging Video

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Certification

Hydraulic Fitting Certification

Topa Hydraulic Fitting Certification

Certification

BV Certification

BV certification China Topa

BV certification 

BV certification Topa

BV certification 

China BV certification Topa

BV certification 

BV certifications

BV certification 

Topa BV certification

BV certification  

BV certification

BV certification 

TUV Certification

TUV certification Topa

TUV Certification

ISO Certification

ISO certification Topa

ISO certification 

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Production Process

Hydraulic Fittings Production Process
From Raw Material To Final Shipment

From raw material selection to final packing, this process helps you understand how your fittings
are made and checked before delivery.

What This Production Process Means For You

From Material Preparation To Final Packing

When you source hydraulic fittings, you usually care about a few things first: whether the thread is correct, whether the surface finish meets your standard, and whether batch consistency can be maintained. A clear production process helps reduce those risks before the goods arrive at your warehouse.

topa hydraulic fitting manufacture process

Production Process

Each step below is not just a factory action. It is also a control point that affects fitment, leakage risk, corrosion resistance, and delivery reliability.

raw carbon steel materials Topa

Raw Material Preparation

The process starts with suitable raw material selection for the fitting type, pressure requirement, and target market. Stable raw material is the base for later machining and plating performance.

Topa hydraulic cylinder factory raw material cutting

Cutting

Material is cut into controlled blank sizes before forging or machining. Consistent blank dimensions help later processes run more smoothly and reduce unnecessary variation.

Hot Forging Machining

Hot Forging

Hot forging helps form the rough body shape and improves material density for fittings that require stronger structure. It creates a better base before detailed machining starts.

3. drilling Topa

Drilling

Drilling prepares internal passages and key structural holes before final machining. This step needs stable control because it affects later flow channel accuracy and overall geometry.

JIC Fitting CNC machine

CNC Machining

CNC machining controls outer dimensions, seat angle details, and the main part geometry. This is one of the most important steps because it directly affects fitting accuracy and repeat order consistency.

CNC thread machining hydraulic fitting

Thread Processing

Thread processing is where BSP, NPT, JIC, Metric, and other standards must be handled correctly. Thread diameter, pitch, and sealing area all need close control to reduce installation problems.

5. hot Bending Topa

Bending And Forming

For bent tube ends or shaped parts, forming work must keep angle and structure under control. This step matters when buyers need fittings that match limited installation space or specific routing design.

6. fitting galvanize Topa

Surface Treatment

Plating and surface protection help improve corrosion resistance during storage, shipment, and field use. Buyers often pay attention to this step because appearance and rust resistance both affect complaints after delivery.

Hydraulic Fittings Processing Video

What You Can See In This Video

This main video gives you a clearer look at how your hydraulic fittings move through production, from the first material preparation step to final packing before shipment. You can see the real machining environment, workshop management, and inspection flow in a more direct way, which helps you better understand how the factory handles daily production.

It is also a practical way to show how raw material preparation, hot forging, CNC machining, thread processing, plating, final inspection, and export packing are carried out inside the factory.

If you want to see how these steps work together in actual production, click the video to watch the full process.

Key Capabilities Behind The Production Process

Multi Standard Thread Processing

Supports different market needs for BSP, JIC, NPT, Metric, and other common standards used in hydraulic systems.

Precision Machining Control

CNC machining helps keep dimensions, angles, and connection details more stable from sample stage to repeat production.

Surface Protection Support

Surface treatment improves corrosion resistance and keeps parts in better condition through storage, shipping, and field use.

OEM And Custom Orders

The process can support standard parts, customer drawings, sample development, and repeat bulk orders with clearer production control.

Quality Control Inside The Production Process

To reduce quality risk before shipment, each hydraulic fitting goes through a clear inspection process. From size accuracy to material performance, every step helps confirm that the parts match order requirements and are suitable for real working conditions.

dimension Test Topa

Dimension Inspection

We check key dimensions such as thread diameter, pitch, hex size, overall length, cone angle, and sealing areas.

hardness test Topa

Hardness Testing

Hardness testing is used to confirm whether the material reaches the required strength range after processing.

profile projector test Topa

Profile Inspection

Profile inspection is used to check thread shape, sealing surface, and critical contour details.

Spectrometer Topa

Material Analysis

Material analysis helps verify whether the raw material matches the required specification.

Hydraulic Fitting Salt Spray Test

Salt Spray Testing

Salt spray testing is used to evaluate the corrosion resistance of surface treatment.

Hydraulic hose burst test

Pressure Testing

Pressure testing is used to check whether the fitting can perform safely under working pressure conditions.

Packing And Delivery Support For Export Orders

Custom logo

Order Sorting And Carton Packing

Parts are grouped by order requirement to help reduce mixed products and improve warehouse receiving efficiency.

Label And Identification Support

Clear labels help buyers handle stock faster, lower confusion, and simplify later inventory management.

Shipment Ready Preparation

Export packing support helps parts stay more organized and better protected during handling and transportation.

Real Workshop Scenes

To reduce quality risk before shipment, each hydraulic fitting goes through a clear inspection process. From size accuracy to material performance, every step helps confirm that the parts match order requirements and are suitable for real working conditions.

Raw Material Area

CNC Machines

Inspection And Testing

Packing And Shipment

Send Your Drawing Or Product Details For A Faster Quote

If you are checking suppliers for hydraulic fittings, adapters, or custom connection parts, you can send us your thread standard, size, material, quantity, or drawing for review. This helps us understand your project more clearly and lets us check the product type, machining requirements, and production details that matter to your order.

If you already have a sample, technical drawing, or key dimensions, you can send those details as well. That makes it easier to confirm the right connection type, reduce communication errors, and give you a more accurate quotation based on your actual application and purchasing needs.

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