Jiashan Xiangfeng fastener Co., Ltd. is a professional manufacturer specializing in all kinds of stainless steel nuts, flange nuts, cap nuts and other standard fasteners.
嘉善县翔峰紧固件有限公司是一家专业生产各种不锈钢螺母，法兰面螺母，盖型螺母等标准件的工业企业。
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By stress analysis, this article gives a calculation method on a spherical cap joining the flange ring by welding.