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| Quality Management advantage |
1.Incoming inspection of raw materials: using the most advanced testing equipment and most stable method to inspect the thickness and hardness, from the source to ensure the production materials 100% in accordance with production requirements.
2.Load force test: customized testing equipment, sampling once every 30 minutes in the production process to ensure the stability of every batch of spring load force.
3.Life cycles testing: customized testing equipment, 24-hour detection, ensure the of the lift time of the spring.
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