1. The butt welding flange shall be subject to ultrasonic flaw detection without layering defects;
2. It shall be cut into strips along the rolling direction of the steel, bent and butt welded into
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Kocway Elevator (Suzhou) Co., Ltd: We are the China's leading company for elevator and escalator manufacturing, the China's largest portfolio. We can be found in many recognizable buildings as well as
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Kocway Elevator (Suzhou) Co., Ltd: We are the China's leading company for elevator and escalator manufacturing, the China's largest portfolio. We can be found in many recognizable buildings as well as
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Greenhouse photovoltaic is a greenhouse that integrates photovoltaic power generation, intelligent control, and modern planting technology.
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