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Yumeya Furniture - Wood Grain Metal Commercial Dining Chairs/Contract Chairs Manufacturer & Supplier For Hotel Chairs, event Chairs & restaurant chairs

QC System, The Key to Enhance Chairs' Quality

Base on many years international trade experience, Yumeya deeply understand the particularity international trade. How to reassure customers about quality will be the key point before cooperation. All Yumeya Chairs will undergo at least 4 departments, more than 10 times QC before packaged. 

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Up to now, Yumeya has a complete QC system include more than 20 inspectors. These inspectors are divided to 2 teams. Team 1 are subordinate to the production director. Team 2 are subordinate to each production department. This combination can ensure the efficient and low-cost operation of the whole QC system, and prevent defective products from flowing into the next process.


01.Hardware Department
Raw materials shall be tested before entering the hardware department for deep processing. For aluminum tubing, we will check the thickness, hardness and surfac. Here are our standards.
In Yumeya’s quality philosophy, standards are one of the four important factors. Therefore, after bending, we must detect the radian and angle of the parts to ensure the standard and unity of the finished frame. First, our development department will make a standard part. Then our workers will adjust according to this standard part through measurement and comparison, so as to ensure the standard and unity.
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Due to the thermal expansion and cold contraction in the welding process, there will be slightly deformation for the welded frame. So we must add a special QC to ensure the symmetry of the whole chair after welding. In this process, our workers will adjust the frame mainly by measuring the diagonal and other data.
The final QC step in the hardware department is the sampling inspection of finished frame. In this step, we need to check the overall size of the frame, the welding joint is polished or not, the welding point is flat or not, the surface is smooth or not and etc. The chair frames can enter next department only after reaching 100% sampling qualified rate.
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02.Wood Grain Department

In this department, it needs to undergo three times QC, including raw materials, frame surface and finished product color matching and adhesion test.

As metal wood grain is a heat transfer technology which is composed of powder coat and wood grain paper. Little changes in the color of powder coat or wood grain paper will lead to color big change. Therefore, when it is newly purchased wood grain paper or powder, we will make a new sample and compare it with the standard color we sealed. Only 100% match can this raw material be considered qualified.
Doing surface treatment like the make-up in a face, first of all, must have a smooth face (frame). There may be collision of the frame during cleaning. So we will undergo fine polishing and check the frame after cleaning. Only the frame without any scratch then it will be fit for surface treatment.
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As the whole wood grain production process involves many factors such as the thickness of powder coat layer, temperature and time, small change of any factor may lead to color deviation. Therefore, we will check 1% for color comparison after completing the wood grain finish to make sure it is the right color. At the same time, we will also conduct adhesion test, only none of the lattice powder coat falls off in the hundred lattice test can be accepted.
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03.Upholstery Department

In this department, there are three times QC, QC for the raw materials of fabric and foam, mold Test and upholstery effect.

In the upholstery department, fabric and foam are two main raw material
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Ø Fabric

The martindale of all Yumeya standard fabric is more than 80,000 ruts. So when we receive the new purchase fabric, we will test the martindale at the first time to make sure it is more than standard. 

At the same time, we will also test the color fastness to ensure it won't fade and suitable for commercial use. Combine the QC of color, wrinkles and etc these basic quality problem to ensure it is the right fabric.

 

Ø Foam

We will test the density of the new purchase foam. The density of the foam, it should be more than 60kg/m3 for mold foam and more than 45kg/m3 for cut foam. Besides, we will test the resilience and fire resistance and other parameter etc to make sure its long life time and suitable for commercial use.

Due to the differences in tensile force and thickness of different fabrics, we will make a sample using the order fabric before bulk goods to adjust the mold for cutting fabric to ensure that the fabric, foam and chair frame can perfectly match without wrinkles and other upholstery problems.
For a high-end chair, the first thing people see and feel is the upholstery effect. Therefore after upholstery, we must check the whole upholstery effect, such as whether the lines is straight, whether the fabric is smooth, whether the piping are firm, etc. To make sure our chairs meet the high end require.
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04.Package Department

In this step, we will check all parameters according to the customer's order, including size, surface treatment, fabrics, accessories, etc to make sure it is the ideal chair that the client order. At the same time, we will check whether the surface of the chair is scratched and clean one by one. Only when 100% of the goods pass the sampling inspection, this batch of large goods will be packed.
Since all the Yumeya chairs are used in commercial places, we will fully understand the importance of safety. Therefore, we will not only ensure the safety through the structure during development, but also select chairs from bulk order for strength test, so as to eliminate all potential safety problem in production.

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Yumeya is not the only metal wood grain chair manufacturer. Based on her special  and complete QC system, Yumeya will be the company that knows you best and reassures you most.

Yumeya New Testing Lab Has Been Put Into Use
In 2023, Yumeya new testing laboratory built by Yumeya in cooperation with local manufacturers has been open. Yumeya's products can undergo rigorous testing before leaving the factory to ensure reliable quality and safe services. 
All Test Follows The Standard Of ANSI/BIFMA X6.4-2018 
Backrest Strength Test
Simulates the situation of a user leaning on the back of a chair.
Only when it can withstand tens of thousands of pulls and holds,
and the functionality of the chair is not lost,
can it be considered a qualified product. 
Backrest Durability Test
Simulating the situation of a user sitting on a chair,
and leaning on the backrest,
which is also the most common usage situation.
Only after tens of thousands of tests and still intact,
can it pass the test. 
Armrest Durability Test
Simulate the user to press the armrest of the chair with force,
and observe whether repeated pressing will cause
structural damage to the armrest or
cause discoloration for surface treatment. 
Unit Drop Test
Simulate the situation of a chair falling,
and observe whether the chair will be damaged in special circumstances. 
The test is avilable for over 1 meter hight.
Metal Wood Grain Salt Spray Test
Yumeya chairs are designed to stand the test of time and environmental challenges.
Our metal wood grain finish undergoes a salt spray test,
to ensure resistance to corrosion and maintain its aesthetic appeal,
making it also suitable for outdoor use.
At present, our team will regularly conduct prototype chair testing, or select samples from large shipments for testing to ensure that the chairs are of high quality and 100% safe for customers. If you or your customers attach great importance to the quality of chairs, you can also select samples from bulk products and use our laboratory for ANSI/BIFMA level testing. 
Yumeya Furniture, world leading contract furniture/metal wood grain dining chair manufacturer, which gains more than 10000 successful cases in over 80 countries and areas. Our products are perfectly suitable for Hospitality, Cafe&Restaurant, Wedding&Event, Health Care&Senior Living. We offers broadest selection and high quality furniture and can tailor designs to the needs of each customer.
CONTACT US

Email: info@youmeiya.net

MP / Whatsapp: +86 13534726803

Address: Zhennan Industry, Heshan City, Guangdong Province, China

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