Model Number: machining-2013-1208-2-1 Brand Name: HY and HYM Key Specifications/Special Features: Materials: carbon steel and SS304 (inner loop, outer loop, spring, shaft, bearing andball)Craft: machining, milling, drilling, hot treatment, grinding and assemblingClient: Shanghai trade companyPacking: unit, then to wooden caseQuantity: 800 sets/carton

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