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Quality Control Process

led strip light IQC
1,IQC

All material arrived in factory , not matter pcb , led , ic ,resistance ,aluminum profile ,cables, are need QC check . all the items need meet the requirement.

2, CCT check

All led need test the color temperature ,we need to check the brightness , color temperature ,Color Rendering Index.We need to make sure client buy the products color the same as last order .

3, Dehumidification

All led need dehumidification before SMT.65℃*8hours .

This ensure the led dry.

4.SMT Process

Producing LED ,IC,resistance onto the surface of the PCB. We are using the high speed automate machine . Ensure all the components are in the right place 

5. Reflow Soldering

After the SMT process , the led and PCB is join solder paste. This need go thought reflow soldering machine and in approx 220-250℃。 Then the solder paste thaw and bonding together.

6 .Inspection

Our QC dept inspect 100% check of the strip light to ensure there are no defect LED and color shift LED.

7. Soldering PCB

Our automate soldering machine will soldered the 0.5M pcb 10pcs to 5meter . According to customer request. Cable is soldering by hand. Machine soldering ensure the PCB soldering quality stabilized.

8. Clean PCB surface

Once soldering completed, the strip PCB will be cleaned by alcohol.

9.Ageing Test

All the led products need lighting test for 8 hours, ensure each LED runs in good condition. In this process , we can know weather led working well? Led in the right color temperature ? Driver working well ? This is very important ..

10.Waterproof

IP55/65 (defend moisture) Silicon glue onto the surface of the PCB . IP65(defend raining) using silicon tube for the waterproof . IP67( short time using under water )using silicon glue injection into the silicon tube .

11. 3M Tape

All our led strip will be pasted with 9080A 3M tape, to ensure easy installation for end customer.

12. Final Quality Control

Our QC will check on every strip reel, to ensure consistent light color of the strip, as well as good appearance.

Quality is the Cornerstone of survival for Enterprise.


In order to continuously enhance the quality of management and meet customers’ needs, We have passed through the ISO9001 quality anagement system certification in all of our company products are produced through standard procedures conducted by trained staffs.
We offer top of the line LED strip light &Flexible Mesh . Our products are made of very durable materials that can stand even the harshest weather conditions. We also guarantee the lasting durability of our products. If you need High Power LED lights that can stand the test of time and nature, we are the company that can provide you with that requirement. Our products and processes are world-class, because we comply with international Standards of excellence and manufacturing best practices.
Our expert quality control team guarantees the world-class standard of each and every product that we manufacture.


Quality Policy

It is our aim to fully satisfy our customers by meeting or exceeding their needs and expectations and thus be regarded by them as the reliable and superior provider of Outdoor Lighting solutions and services.
To achieve our aim, we will adhere to the following quality principles and practices:
Communicate honestly and promptly with our customers, listen to them carefully and understand their needs thoroughly;
Offer reliable mold design of professionalism by means of computer-aided three-dimensional designing technology, pay attention to every detail in manufacturing and leave no efforts to improve in-process quality control; Develop staff competecies by training program, drive continual improvement and innovation.


QC/Technical Support

We offer complete solution on molding service under ISO9001 application. We use projectors and other testing machinery to ensure the quality precise.
QC Staff:10 to 19


Procedures/ Testing Details

Our inspection mainly includes self-testing at every process and testing from next users. CNC procession, EDM procession and grinding are our key testing processes. They are carried out by our experienced QC engineers with high precision 3D projector.
For years, ZS Zhongjie Opto Tech Co..Ltd has been known as a renowned manufacturer of LED lighting Fixture, profiles of aluminum extrusion, die casting made of aluminum, metal stamping product lines, plastic injection items and precise auto-lathe product lines. Our clear mission is to assure product performance. To accomplish this goal, our company uses raw materials that are compliant with RoHS, ISO standards and compatible with UL certificates. Prompt delivery schedules, high quality product lines, and production processes that are strictly monitored by a highly-trained quality control team are the hallmarks of our company’s most famous products is Outdoor High Power LED light fixture.


Client-friendly Outdoor LED Lights Supplier

Source your LED street light fixture from us and we guarantee product performance to the highest degree of quality. Also, to save you time, effort, and cost, you can avail of all your requirements from us. We have everything you need in Outdoor lights, both in your fixture, housing, and  LED requirements. Our products also come at the best market price. We are aware that quality, durability, and cost are your primary considerations. We are the company that can deliver not only your requirements but also the solutions to your purchase concerns. We are dedicated to serve even the most discriminating clients.


Constant Temperature& Hunility Test Chamber(-40℃~+80℃)

High-Low Temperature impact Test Chamber  (-40℃~+80℃)

Salt Spray Test Chamber

Vibration Testing Machine

Drop Test Machine

Distribution Photometer Test

High Pressure Waterproof Test

EMC Test

Insulation Resistance Tester

Withstand Voltage Tester

Integrated Sphere Tester

Programmable Ground Resistance Test

Leakage Current Tester

White Balance Tester

Integrated Sphere Tester

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