Sandwich roof panel can be divided into the following categories according to the core material: rock wool sandwich panels, polyurethane foam sandwich panels, rock wool color steel sandwich panels,
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Wenzhou Zhetuo Machinery Co., Ltd: We're well-known as one of the leading air bubble film machine, envelope bag making machine, stretch film machine, multi layers air bubble film machine, compound air
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Zhongshan Zhongrui CNC Machinery Co.,Ltd: Focus on spinning machine for 12 years, with quality first, customer satisfaction. Our machine can help you manufacture conveniently and quickly.
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