Ningbo Kang Ying Health Technology Co., Ltd: Specializing in precision metal fabrication and CNC machining, your one-stop metal fabrication service manufacture.
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Zhengzhou Odifei Machinery Equipment Co., Ltd: We're professional pyrolysis equipment, recycling machine, distillation equipment, elevator conveyor, conveyor manufacturers and suppliers in China.
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The internal and external slotted nut is a fastener which is widely used in furniture and automobile fields. The internal and external grooved nuts produced by our company are made of titanium alloy,
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