Quality is our culture , Changzhou Treering Plastics Co., Ltd is always aware of quality control. We know the great importance of high quality for customers and we are confiedent in the superior quality of our products.
1. We have our own QC. They will checking each products after the plastic products finished ,then move to stock and sale
2. Our designers have been in this line for about 10 years, during design the drawing , they will notice and remarks all the attention about producing and transfer to our produced manager
3. We will get everythig perfect when the sample reaches the customer, ensuring each sample clean and perfect
4. We would test the tank leak or not if the tank welded flange or install bulkhead .
5. Check if any accessories missing
6. Double check the order qty before delivery to ensure the qty is right
Picture show , Customer request for home inspection for the rotomolding laundry Trolley

Certifications
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Certifications
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Rotational Molding Process Polyethylene 120L RV Camper Fresh Water Tanks For Camper Trailers |
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Rotomolded Poly Plastic Fuel Tanks For Gasoline And Diesel Fuels Customizable |
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Customized Rotational Molding Products , 2000L Roto Molded Water Tanks For Water Carrying And Collection |
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500L Free-Standing Custom Rotomolded Elliptical Horizontal Water Storage Tanks For Rainwater Harvesting |
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1500Gallon Polyethylene Lldpe Open Top Round Pond 6000litter Bins For Rain Harvesting |







