Product Description FAQ Q:Is your company a trading company or a manufacturer? A: We have our own factory. Q:How long does the lead time take?A: If the goods are in stock, it is generally 1-2 days; if the goods are not in stock, it is 5-10 days, depending on the quantity. Q: Can I order … Continue reading China best Machinery Part Roller Chain Coupling Aluminum Case with Sprockets Shaft Flexible Coupling KC6018