On the specific area of structural integrity, requires not only 1000 hour testing for the first time for
plastic chambers, but also that a 50 year deformation projection is developed. This requirement means that the material is predicted to last 50 years with no cracks during normal use, offering reassurance of longevity and endurance.
As a professional manufacturer of plastic&rubber testing machines, Shijiazhuang Zhongshi Testing Machine Co., Ltd. is a high-tech company integrated by R&D, manufacturing, marketing and relative service as well. The registered trademark “Zhongshi” enjoys respected reputation in our industry.
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