Hexagon flange nuts are twisted on the same bolt as two identical nuts, with a tightening torque between the two nuts, making the bolted connections reliable.
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Quanzhou Fengze Jiatai Printing Co., Ltd.: We're known as one of the most professional book printing, cardboard box, brochure printing, notebook printing, rigid cardboard box manufacturers in China.
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Gangye Group Co.,Ltd.: As one of the leading knife gate vavle, through conduit knife gate valve, slurry valve, penstock, gate valve, globe valve, check valve, casting gate valve, forged check valve
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