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API Spec 8c/8A Certified Yg70 Traveling Block Hook Assembly, Heavy Load Lifting Unit for Drilling & Workover Rig, Find Details and Price about Traveling Block and Hook Yg70 Traveling Block Hook from API Spec 8c/8A Certified Yg70 Traveling Block Hook Assembly, Heavy Load Lifting Unit for Drilling & Workover Rig - Sinotai Petroleum Equipment Co., Ltd